137423432 has 32 divisors (see below), whose sum is σ = 264751200. Its totient is φ = 66849024.

The previous prime is 137423401. The next prime is 137423437. The reversal of 137423432 is 234324731.

It is a junction number, because it is equal to n+sod(n) for n = 137423395 and 137423404.

It is not an unprimeable number, because it can be changed into a prime (137423437) 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, 42944 + ... + 46032.

It is an arithmetic number, because the mean of its divisors is an integer number (8273475).

Almost surely, 2^137423432 is an apocalyptic number.

It is an amenable number.

137423432 is a deficient number, since it is larger than the sum of its proper divisors (127327768).

137423432 is a wasteful number, since it uses less digits than its factorization.

137423432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245 (or 3241 counting only the distinct ones).

The product of its digits is 12096, while the sum is 29.

The square root of 137423432 is about 11722.7740744245. The cubic root of 137423432 is about 516.0442343346.

The spelling of 137423432 in words is "one hundred thirty-seven million, four hundred twenty-three thousand, four hundred thirty-two".