40113231139 has 2 divisors, whose sum is σ = 40113231140. Its totient is φ = 40113231138.

The previous prime is 40113231079. The next prime is 40113231157. The reversal of 40113231139 is 93113231104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40113231139 - 2²¹ = 40111133987 is a prime.

It is not a weakly prime, because it can be changed into another prime (40113231199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20056615569 + 20056615570.

It is an arithmetic number, because the mean of its divisors is an integer number (20056615570).

Almost surely, 2^40113231139 is an apocalyptic number.

40113231139 is a deficient number, since it is larger than the sum of its proper divisors (1).

40113231139 is an equidigital number, since it uses as much as digits as its factorization.

40113231139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 40113231139 in words is "forty billion, one hundred thirteen million, two hundred thirty-one thousand, one hundred thirty-nine".