1390000137639 has 32 divisors (see below), whose sum is σ = 2035960204800. Its totient is φ = 839617384320.

The previous prime is 1390000137607. The next prime is 1390000137649. The reversal of 1390000137639 is 9367310000931.

It is not a de Polignac number, because 1390000137639 - 2⁵ = 1390000137607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1390000137639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390000137649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10776549 + ... + 10904769.

It is an arithmetic number, because the mean of its divisors is an integer number (63623756400).

Almost surely, 2^{1390000137639} is an apocalyptic number.

1390000137639 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1390000137639 is a deficient number, since it is larger than the sum of its proper divisors (645960067161).

1390000137639 is a wasteful number, since it uses less digits than its factorization.

1390000137639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136535.

The product of its (nonzero) digits is 91854, while the sum is 42.

The spelling of 1390000137639 in words is "one trillion, three hundred ninety billion, one hundred thirty-seven thousand, six hundred thirty-nine".