137420524 has 12 divisors (see below), whose sum is σ = 240683184. Its totient is φ = 68653904.

The previous prime is 137420519. The next prime is 137420557. The reversal of 137420524 is 425024731.

137420524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 137420492 and 137420501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8344 + ... + 18559.

It is an arithmetic number, because the mean of its divisors is an integer number (20056932).

Almost surely, 2^137420524 is an apocalyptic number.

It is an amenable number.

137420524 is a deficient number, since it is larger than the sum of its proper divisors (103262660).

137420524 is a wasteful number, since it uses less digits than its factorization.

137420524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28184 (or 28182 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 137420524 is about 11722.6500416928. The cubic root of 137420524 is about 516.0405943265.

The spelling of 137420524 in words is "one hundred thirty-seven million, four hundred twenty thousand, five hundred twenty-four".