137651420 has 24 divisors (see below), whose sum is σ = 290805984. Its totient is φ = 54729536.

The previous prime is 137651419. The next prime is 137651461. The reversal of 137651420 is 24156731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17267 + ... + 23946.

It is an arithmetic number, because the mean of its divisors is an integer number (12116916).

Almost surely, 2^137651420 is an apocalyptic number.

137651420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137651420 is an abundant number, since it is smaller than the sum of its proper divisors (153154564).

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

137651420 is a wasteful number, since it uses less digits than its factorization.

137651420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41389 (or 41387 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 137651420 is about 11732.4941934782. The cubic root of 137651420 is about 516.3294522892.

It can be divided in two parts, 13 and 7651420, that multiplied together give a triangular number (99468460 = T₁₄₁₀₄).

The spelling of 137651420 in words is "one hundred thirty-seven million, six hundred fifty-one thousand, four hundred twenty".