136102919 has 2 divisors, whose sum is σ = 136102920. Its totient is φ = 136102918.

The previous prime is 136102913. The next prime is 136102933. The reversal of 136102919 is 919201631.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136102919 is a prime.

It is a super-2 number, since 2×136102919² = 37048009120641122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136102913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68051459 + 68051460.

It is an arithmetic number, because the mean of its divisors is an integer number (68051460).

Almost surely, 2^136102919 is an apocalyptic number.

136102919 is a deficient number, since it is larger than the sum of its proper divisors (1).

136102919 is an equidigital number, since it uses as much as digits as its factorization.

136102919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 136102919 is about 11666.3155709076. The cubic root of 136102919 is about 514.3860078393.

The spelling of 136102919 in words is "one hundred thirty-six million, one hundred two thousand, nine hundred nineteen".