135232940 has 24 divisors (see below), whose sum is σ = 286805232. Its totient is φ = 53556800.

The previous prime is 135232931. The next prime is 135232949. The reversal of 135232940 is 49232531.

It is an interprime number because it is at equal distance from previous prime (135232931) and next prime (135232949).

It is a super-2 number, since 2×135232940² = 36575896122087200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135232949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31454 + ... + 35493.

It is an arithmetic number, because the mean of its divisors is an integer number (11950218).

Almost surely, 2^135232940 is an apocalyptic number.

135232940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135232940 is an abundant number, since it is smaller than the sum of its proper divisors (151572292).

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

135232940 is a wasteful number, since it uses less digits than its factorization.

135232940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67057 (or 67055 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 135232940 is about 11628.9698597941. The cubic root of 135232940 is about 513.2876676455.

The spelling of 135232940 in words is "one hundred thirty-five million, two hundred thirty-two thousand, nine hundred forty".