140399270639 has 2 divisors, whose sum is σ = 140399270640. Its totient is φ = 140399270638.

The previous prime is 140399270629. The next prime is 140399270647. The reversal of 140399270639 is 936072993041.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140399270639 - 2³² = 136104303343 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140399270629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70199635319 + 70199635320.

It is an arithmetic number, because the mean of its divisors is an integer number (70199635320).

Almost surely, 2^140399270639 is an apocalyptic number.

140399270639 is a deficient number, since it is larger than the sum of its proper divisors (1).

140399270639 is an equidigital number, since it uses as much as digits as its factorization.

140399270639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2204496, while the sum is 53.

The spelling of 140399270639 in words is "one hundred forty billion, three hundred ninety-nine million, two hundred seventy thousand, six hundred thirty-nine".