157109369 has 2 divisors, whose sum is σ = 157109370. Its totient is φ = 157109368.

The previous prime is 157109341. The next prime is 157109377. The reversal of 157109369 is 963901751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155251600 + 1857769 = 12460^2 + 1363^2 .

It is a cyclic number.

It is not a de Polignac number, because 157109369 - 2¹⁶ = 157043833 is a prime.

It is a super-2 number, since 2×157109369² = 49366707655156322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (157109339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78554684 + 78554685.

It is an arithmetic number, because the mean of its divisors is an integer number (78554685).

Almost surely, 2^157109369 is an apocalyptic number.

It is an amenable number.

157109369 is a deficient number, since it is larger than the sum of its proper divisors (1).

157109369 is an equidigital number, since it uses as much as digits as its factorization.

157109369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51030, while the sum is 41.

The square root of 157109369 is about 12534.3276245677. The cubic root of 157109369 is about 539.5943100596.

The spelling of 157109369 in words is "one hundred fifty-seven million, one hundred nine thousand, three hundred sixty-nine".