40402153139 has 2 divisors, whose sum is σ = 40402153140. Its totient is φ = 40402153138.

The previous prime is 40402153117. The next prime is 40402153157. The reversal of 40402153139 is 93135120404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40402153139 - 2¹⁶ = 40402087603 is a prime.

It is not a weakly prime, because it can be changed into another prime (40402153159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20201076569 + 20201076570.

It is an arithmetic number, because the mean of its divisors is an integer number (20201076570).

Almost surely, 2^40402153139 is an apocalyptic number.

40402153139 is a deficient number, since it is larger than the sum of its proper divisors (1).

40402153139 is an equidigital number, since it uses as much as digits as its factorization.

40402153139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 40402153139 in words is "forty billion, four hundred two million, one hundred fifty-three thousand, one hundred thirty-nine".