157391119 has 2 divisors, whose sum is σ = 157391120. Its totient is φ = 157391118.

The previous prime is 157391089. The next prime is 157391141. The reversal of 157391119 is 911193751.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157391119 - 2¹⁵ = 157358351 is a prime.

It is a super-2 number, since 2×157391119² = 49543928680144322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157391159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78695559 + 78695560.

It is an arithmetic number, because the mean of its divisors is an integer number (78695560).

Almost surely, 2^157391119 is an apocalyptic number.

157391119 is a deficient number, since it is larger than the sum of its proper divisors (1).

157391119 is an equidigital number, since it uses as much as digits as its factorization.

157391119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8505, while the sum is 37.

The square root of 157391119 is about 12545.5617251680. The cubic root of 157391119 is about 539.9166755292.

The spelling of 157391119 in words is "one hundred fifty-seven million, three hundred ninety-one thousand, one hundred nineteen".