136419557857 has 8 divisors (see below), whose sum is σ = 148847785632. Its totient is φ = 123995738400.

The previous prime is 136419557843. The next prime is 136419557867. The reversal of 136419557857 is 758755914631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136419557857 is a prime.

It is a super-2 number, since 2×136419557857² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136419557795 and 136419557804.

It is not an unprimeable number, because it can be changed into a prime (136419557867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1037203 + ... + 1161304.

It is an arithmetic number, because the mean of its divisors is an integer number (18605973204).

Almost surely, 2^136419557857 is an apocalyptic number.

It is an amenable number.

136419557857 is a deficient number, since it is larger than the sum of its proper divisors (12428227775).

136419557857 is a wasteful number, since it uses less digits than its factorization.

136419557857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204159.

The product of its digits is 31752000, while the sum is 61.

The spelling of 136419557857 in words is "one hundred thirty-six billion, four hundred nineteen million, five hundred fifty-seven thousand, eight hundred fifty-seven".