620254136 has 32 divisors (see below), whose sum is σ = 1185231360. Its totient is φ = 304238592.

The previous prime is 620254127. The next prime is 620254139. The reversal of 620254136 is 631452026.

620254136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 620254099 and 620254108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620254139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109961 + ... + 115463.

It is an arithmetic number, because the mean of its divisors is an integer number (37038480).

Almost surely, 2^620254136 is an apocalyptic number.

It is an amenable number.

620254136 is a deficient number, since it is larger than the sum of its proper divisors (564977224).

620254136 is a wasteful number, since it uses less digits than its factorization.

620254136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5775 (or 5771 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 620254136 is about 24904.9018468253. The cubic root of 620254136 is about 852.8183889991.

The spelling of 620254136 in words is "six hundred twenty million, two hundred fifty-four thousand, one hundred thirty-six".