136902719 has 2 divisors, whose sum is σ = 136902720. Its totient is φ = 136902718.

The previous prime is 136902713. The next prime is 136902721. The reversal of 136902719 is 917209631.

It is a happy number.

136902719 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 a de Polignac number, because none of the positive numbers 2^k-136902719 is a prime.

It is a super-2 number, since 2×136902719² = 37484708939185922, which contains 22 as substring.

Together with 136902721, 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 (136902713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68451359 + 68451360.

It is an arithmetic number, because the mean of its divisors is an integer number (68451360).

Almost surely, 2^136902719 is an apocalyptic number.

136902719 is a deficient number, since it is larger than the sum of its proper divisors (1).

136902719 is an equidigital number, since it uses as much as digits as its factorization.

136902719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 136902719 is about 11700.5435343833. The cubic root of 136902719 is about 515.3916259552.

The spelling of 136902719 in words is "one hundred thirty-six million, nine hundred two thousand, seven hundred nineteen".