157135219 has 2 divisors, whose sum is σ = 157135220. Its totient is φ = 157135218.

The previous prime is 157135217. The next prime is 157135291. The reversal of 157135219 is 912531751.

Together with next prime (157135291) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157135219 - 2¹ = 157135217 is a prime.

It is a super-2 number, since 2×157135219² = 49382954100355922, which contains 22 as substring.

Together with 157135217, it forms a pair of twin primes.

It is equal to p_8822842 and since 157135219 and 8822842 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (157135211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78567609 + 78567610.

It is an arithmetic number, because the mean of its divisors is an integer number (78567610).

Almost surely, 2^157135219 is an apocalyptic number.

157135219 is a deficient number, since it is larger than the sum of its proper divisors (1).

157135219 is an equidigital number, since it uses as much as digits as its factorization.

157135219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9450, while the sum is 34.

The square root of 157135219 is about 12535.3587503509. The cubic root of 157135219 is about 539.6239024980.

The spelling of 157135219 in words is "one hundred fifty-seven million, one hundred thirty-five thousand, two hundred nineteen".