137374020 has 144 divisors (see below), whose sum is σ = 491731968. Its totient is φ = 30378240.

The previous prime is 137374001. The next prime is 137374031. The reversal of 137374020 is 20473731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37302 + ... + 40818.

Almost surely, 2^137374020 is an apocalyptic number.

137374020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137374020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245865984).

137374020 is an abundant number, since it is smaller than the sum of its proper divisors (354357948).

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

137374020 is a wasteful number, since it uses less digits than its factorization.

137374020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570 (or 3565 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 137374020 is about 11720.6663633089. Note that the first 3 decimals coincide. The cubic root of 137374020 is about 515.9823772601.

The spelling of 137374020 in words is "one hundred thirty-seven million, three hundred seventy-four thousand, twenty".