140237374439 has 2 divisors, whose sum is σ = 140237374440. Its totient is φ = 140237374438.

The previous prime is 140237374397. The next prime is 140237374469. The reversal of 140237374439 is 934473732041.

It is a strong prime.

It is an emirp because it is prime and its reverse (934473732041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140237374439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140237374393 and 140237374402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140237374469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70118687219 + 70118687220.

It is an arithmetic number, because the mean of its divisors is an integer number (70118687220).

Almost surely, 2^140237374439 is an apocalyptic number.

140237374439 is a deficient number, since it is larger than the sum of its proper divisors (1).

140237374439 is an equidigital number, since it uses as much as digits as its factorization.

140237374439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1524096, while the sum is 47.

The spelling of 140237374439 in words is "one hundred forty billion, two hundred thirty-seven million, three hundred seventy-four thousand, four hundred thirty-nine".