136419557867 has 2 divisors, whose sum is σ = 136419557868. Its totient is φ = 136419557866.

The previous prime is 136419557843. The next prime is 136419557959. The reversal of 136419557867 is 768755914631.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136419557867 - 2⁶ = 136419557803 is a prime.

It is a super-2 number, since 2×136419557867² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (136419557567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68209778933 + 68209778934.

It is an arithmetic number, because the mean of its divisors is an integer number (68209778934).

Almost surely, 2^136419557867 is an apocalyptic number.

136419557867 is a deficient number, since it is larger than the sum of its proper divisors (1).

136419557867 is an equidigital number, since it uses as much as digits as its factorization.

136419557867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38102400, while the sum is 62.

The spelling of 136419557867 in words is "one hundred thirty-six billion, four hundred nineteen million, five hundred fifty-seven thousand, eight hundred sixty-seven".