3972754139 has 2 divisors, whose sum is σ = 3972754140. Its totient is φ = 3972754138.

The previous prime is 3972754117. The next prime is 3972754153. The reversal of 3972754139 is 9314572793.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3972754139 - 2²⁴ = 3955976923 is a prime.

It is not a weakly prime, because it can be changed into another prime (3972754199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1986377069 + 1986377070.

It is an arithmetic number, because the mean of its divisors is an integer number (1986377070).

Almost surely, 2^3972754139 is an apocalyptic number.

3972754139 is a deficient number, since it is larger than the sum of its proper divisors (1).

3972754139 is an equidigital number, since it uses as much as digits as its factorization.

3972754139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1428840, while the sum is 50.

The square root of 3972754139 is about 63029.7877118430. The cubic root of 3972754139 is about 1583.7886619200.

The spelling of 3972754139 in words is "three billion, nine hundred seventy-two million, seven hundred fifty-four thousand, one hundred thirty-nine".