156840119 has 2 divisors, whose sum is σ = 156840120. Its totient is φ = 156840118.

The previous prime is 156840109. The next prime is 156840121. The reversal of 156840119 is 911048651.

156840119 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 156840119 - 2²⁰ = 155791543 is a prime.

It is a super-2 number, since 2×156840119² = 49197645855868322, which contains 22 as substring.

Together with 156840121, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (156840109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78420059 + 78420060.

It is an arithmetic number, because the mean of its divisors is an integer number (78420060).

Almost surely, 2^156840119 is an apocalyptic number.

156840119 is a deficient number, since it is larger than the sum of its proper divisors (1).

156840119 is an equidigital number, since it uses as much as digits as its factorization.

156840119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 156840119 is about 12523.5825146002. The cubic root of 156840119 is about 539.2858861812.

The spelling of 156840119 in words is "one hundred fifty-six million, eight hundred forty thousand, one hundred nineteen".