137676420 has 72 divisors (see below), whose sum is σ = 477282624. Its totient is φ = 31468608.

The previous prime is 137676397. The next prime is 137676437. The reversal of 137676420 is 24676731.

137676420 is a `hidden beast` number, since 1 + 3 + 7 + 6 + 7 + 642 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53374 + ... + 55893.

Almost surely, 2^137676420 is an apocalyptic number.

137676420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137676420 is an abundant number, since it is smaller than the sum of its proper divisors (339606204).

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

137676420 is a wasteful number, since it uses less digits than its factorization.

137676420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109289 (or 109284 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 137676420 is about 11733.5595622130. The cubic root of 137676420 is about 516.3607086684.

The spelling of 137676420 in words is "one hundred thirty-seven million, six hundred seventy-six thousand, four hundred twenty".