135724490 has 48 divisors (see below), whose sum is σ = 270273024. Its totient is φ = 49035360.

The previous prime is 135724489. The next prime is 135724493. The reversal of 135724490 is 94427531.

It is a super-2 number, since 2×135724490² = 36842274371520200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 135724490.

It is not an unprimeable number, because it can be changed into a prime (135724493) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 269579 + ... + 270081.

It is an arithmetic number, because the mean of its divisors is an integer number (5630688).

Almost surely, 2^135724490 is an apocalyptic number.

135724490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135724490 is a deficient number, since it is larger than the sum of its proper divisors (134548534).

135724490 is a wasteful number, since it uses less digits than its factorization.

135724490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755 (or 744 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 135724490 is about 11650.0854074123. The cubic root of 135724490 is about 513.9088217099.

The spelling of 135724490 in words is "one hundred thirty-five million, seven hundred twenty-four thousand, four hundred ninety".