137709452 has 24 divisors (see below), whose sum is σ = 259358400. Its totient is φ = 63740160.

The previous prime is 137709437. The next prime is 137709457. The reversal of 137709452 is 254907731.

It is not an unprimeable number, because it can be changed into a prime (137709457) 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, 12452 + ... + 20747.

It is an arithmetic number, because the mean of its divisors is an integer number (10806600).

Almost surely, 2^137709452 is an apocalyptic number.

It is an amenable number.

137709452 is a deficient number, since it is larger than the sum of its proper divisors (121648948).

137709452 is a wasteful number, since it uses less digits than its factorization.

137709452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33281 (or 33279 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 137709452 is about 11734.9670642912. The cubic root of 137709452 is about 516.4020012950.

The spelling of 137709452 in words is "one hundred thirty-seven million, seven hundred nine thousand, four hundred fifty-two".