137974344 has 64 divisors (see below), whose sum is σ = 359683200. Its totient is φ = 44050944.

The previous prime is 137974327. The next prime is 137974351. The reversal of 137974344 is 443479731.

It is a junction number, because it is equal to n+sod(n) for n = 137974296 and 137974305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94629 + ... + 96075.

It is an arithmetic number, because the mean of its divisors is an integer number (5620050).

Almost surely, 2^137974344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137974344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179841600).

137974344 is an abundant number, since it is smaller than the sum of its proper divisors (221708856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137974344 is a wasteful number, since it uses less digits than its factorization.

137974344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622 (or 1618 counting only the distinct ones).

The product of its digits is 254016, while the sum is 42.

The square root of 137974344 is about 11746.2480818345. The cubic root of 137974344 is about 516.7328988049.

The spelling of 137974344 in words is "one hundred thirty-seven million, nine hundred seventy-four thousand, three hundred forty-four".