136929019 has 2 divisors, whose sum is σ = 136929020. Its totient is φ = 136929018.

The previous prime is 136928969. The next prime is 136929031. The reversal of 136929019 is 910929631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136929019 - 2¹³ = 136920827 is a prime.

It is a super-2 number, since 2×136929019² = 37499112488604722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (136929059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68464509 + 68464510.

It is an arithmetic number, because the mean of its divisors is an integer number (68464510).

Almost surely, 2^136929019 is an apocalyptic number.

136929019 is a deficient number, since it is larger than the sum of its proper divisors (1).

136929019 is an equidigital number, since it uses as much as digits as its factorization.

136929019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 40.

The square root of 136929019 is about 11701.6673598253. The cubic root of 136929019 is about 515.4246273252.

The spelling of 136929019 in words is "one hundred thirty-six million, nine hundred twenty-nine thousand, nineteen".