2734120157 has 2 divisors, whose sum is σ = 2734120158. Its totient is φ = 2734120156.

The previous prime is 2734120153. The next prime is 2734120171. The reversal of 2734120157 is 7510214372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2638979641 + 95140516 = 51371^2 + 9754^2 .

It is a cyclic number.

It is not a de Polignac number, because 2734120157 - 2² = 2734120153 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2734120153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1367060078 + 1367060079.

It is an arithmetic number, because the mean of its divisors is an integer number (1367060079).

Almost surely, 2^2734120157 is an apocalyptic number.

It is an amenable number.

2734120157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2734120157 is an equidigital number, since it uses as much as digits as its factorization.

2734120157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 2734120157 is about 52288.8148364447. The cubic root of 2734120157 is about 1398.3177339593.

The spelling of 2734120157 in words is "two billion, seven hundred thirty-four million, one hundred twenty thousand, one hundred fifty-seven".