135226740 has 96 divisors (see below), whose sum is σ = 414973440. Its totient is φ = 32630400.

The previous prime is 135226727. The next prime is 135226753. The reversal of 135226740 is 47622531.

It is an interprime number because it is at equal distance from previous prime (135226727) and next prime (135226753).

It is a super-2 number, since 2×135226740² = 36572542422055200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 135226698 and 135226707.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218151 + ... + 218769.

It is an arithmetic number, because the mean of its divisors is an integer number (4322640).

Almost surely, 2^135226740 is an apocalyptic number.

135226740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135226740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207486720).

135226740 is an abundant number, since it is smaller than the sum of its proper divisors (279746700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135226740 is a wasteful number, since it uses less digits than its factorization.

135226740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973 (or 971 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 135226740 is about 11628.7032811058. The cubic root of 135226740 is about 513.2798233236.

The spelling of 135226740 in words is "one hundred thirty-five million, two hundred twenty-six thousand, seven hundred forty".