135415232 has 14 divisors (see below), whose sum is σ = 268714728. Its totient is φ = 67707584.

The previous prime is 135415193. The next prime is 135415271. The reversal of 135415232 is 232514531.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (135415193) and next prime (135415271).

It is a super-2 number, since 2×135415232² = 36674570115227648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1057868 + ... + 1057995.

Almost surely, 2^135415232 is an apocalyptic number.

It is an amenable number.

135415232 is a deficient number, since it is larger than the sum of its proper divisors (133299496).

135415232 is an equidigital number, since it uses as much as digits as its factorization.

135415232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115875 (or 2115865 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 135415232 is about 11636.8050598092. The cubic root of 135415232 is about 513.5181988167.

Adding to 135415232 its reverse (232514531), we get a palindrome (367929763).

The spelling of 135415232 in words is "one hundred thirty-five million, four hundred fifteen thousand, two hundred thirty-two".