135711450 has 120 divisors (see below), whose sum is σ = 431034912. Its totient is φ = 31013280.

The previous prime is 135711403. The next prime is 135711451. The reversal of 135711450 is 54117531.

It is a super-2 number, since 2×135711450² = 36835195322205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (135711451) by changing a digit.

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 59 ways as a sum of consecutive naturals, for example, 25957 + ... + 30743.

Almost surely, 2^135711450 is an apocalyptic number.

135711450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 135711450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215517456).

135711450 is an abundant number, since it is smaller than the sum of its proper divisors (295323462).

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

135711450 is a wasteful number, since it uses less digits than its factorization.

135711450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4818 (or 4804 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 135711450 is about 11649.5257414197. The cubic root of 135711450 is about 513.8923629124.

Adding to 135711450 its reverse (54117531), we get a palindrome (189828981).

It can be divided in two parts, 135711 and 450, that added together give a square (136161 = 369²).

The spelling of 135711450 in words is "one hundred thirty-five million, seven hundred eleven thousand, four hundred fifty".