2739139157 has 2 divisors, whose sum is σ = 2739139158. Its totient is φ = 2739139156.

The previous prime is 2739139103. The next prime is 2739139219. The reversal of 2739139157 is 7519319372.

2739139157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1533035716 + 1206103441 = 39154^2 + 34729^2 .

It is a cyclic number.

It is not a de Polignac number, because 2739139157 - 2⁸ = 2739138901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2739139457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1369569578 + 1369569579.

It is an arithmetic number, because the mean of its divisors is an integer number (1369569579).

Almost surely, 2^2739139157 is an apocalyptic number.

It is an amenable number.

2739139157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2739139157 is an equidigital number, since it uses as much as digits as its factorization.

2739139157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 357210, while the sum is 47.

The square root of 2739139157 is about 52336.7858871750. The cubic root of 2739139157 is about 1399.1728374038.

The spelling of 2739139157 in words is "two billion, seven hundred thirty-nine million, one hundred thirty-nine thousand, one hundred fifty-seven".