137420620 has 12 divisors (see below), whose sum is σ = 288583344. Its totient is φ = 54968240.

The previous prime is 137420603. The next prime is 137420651. The reversal of 137420620 is 26024731.

137420620 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3435496 + ... + 3435535.

It is an arithmetic number, because the mean of its divisors is an integer number (24048612).

Almost surely, 2^137420620 is an apocalyptic number.

137420620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137420620 is an abundant number, since it is smaller than the sum of its proper divisors (151162724).

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

137420620 is a wasteful number, since it uses less digits than its factorization.

137420620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6871040 (or 6871038 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 137420620 is about 11722.6541363294. The cubic root of 137420620 is about 516.0407144926.

The spelling of 137420620 in words is "one hundred thirty-seven million, four hundred twenty thousand, six hundred twenty".