62400139 has 2 divisors, whose sum is σ = 62400140. Its totient is φ = 62400138.

The previous prime is 62400113. The next prime is 62400187. The reversal of 62400139 is 93100426.

62400139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-62400139 is a prime.

It is not a weakly prime, because it can be changed into another prime (62400539) by changing a digit.

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 as a sum of consecutive naturals, namely, 31200069 + 31200070.

It is an arithmetic number, because the mean of its divisors is an integer number (31200070).

Almost surely, 2^62400139 is an apocalyptic number.

62400139 is a deficient number, since it is larger than the sum of its proper divisors (1).

62400139 is an equidigital number, since it uses as much as digits as its factorization.

62400139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 62400139 is about 7899.3758614210. The cubic root of 62400139 is about 396.6387910485.

The spelling of 62400139 in words is "sixty-two million, four hundred thousand, one hundred thirty-nine".