137438974 has 8 divisors (see below), whose sum is σ = 206961408. Its totient is φ = 68451840.

The previous prime is 137438971. The next prime is 137438981. The reversal of 137438974 is 479834731.

137438974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137438971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133182 + ... + 134209.

It is an arithmetic number, because the mean of its divisors is an integer number (25870176).

Almost surely, 2^137438974 is an apocalyptic number.

137438974 is a deficient number, since it is larger than the sum of its proper divisors (69522434).

137438974 is a wasteful number, since it uses less digits than its factorization.

137438974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267650.

The product of its digits is 508032, while the sum is 46.

The square root of 137438974 is about 11723.4369533853. The cubic root of 137438974 is about 516.0636877302.

The spelling of 137438974 in words is "one hundred thirty-seven million, four hundred thirty-eight thousand, nine hundred seventy-four".