137474973 has 12 divisors (see below), whose sum is σ = 198857568. Its totient is φ = 91519560.

The previous prime is 137474941. The next prime is 137474977. The reversal of 137474973 is 379474731.

137474973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 137474973 - 2⁵ = 137474941 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137474977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3963 + ... + 17048.

It is an arithmetic number, because the mean of its divisors is an integer number (16571464).

Almost surely, 2^137474973 is an apocalyptic number.

It is an amenable number.

137474973 is a deficient number, since it is larger than the sum of its proper divisors (61382595).

137474973 is a wasteful number, since it uses less digits than its factorization.

137474973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21744 (or 21741 counting only the distinct ones).

The product of its digits is 444528, while the sum is 45.

The square root of 137474973 is about 11724.9721961291. The cubic root of 137474973 is about 516.1087408287.

The spelling of 137474973 in words is "one hundred thirty-seven million, four hundred seventy-four thousand, nine hundred seventy-three".