136419557858 has 8 divisors (see below), whose sum is σ = 216666356652. Its totient is φ = 64197438976.

The previous prime is 136419557843. The next prime is 136419557867. The reversal of 136419557858 is 858755914631.

It can be written as a sum of positive squares in 2 ways, for example, as 135156963769 + 1262594089 = 367637^2 + 35533^2 .

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

It is a super-2 number, since 2×136419557858² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 136419557858.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2006169935 + ... + 2006170002.

Almost surely, 2^136419557858 is an apocalyptic number.

136419557858 is a deficient number, since it is larger than the sum of its proper divisors (80246798794).

136419557858 is a wasteful number, since it uses less digits than its factorization.

136419557858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4012339956.

The product of its digits is 36288000, while the sum is 62.

The spelling of 136419557858 in words is "one hundred thirty-six billion, four hundred nineteen million, five hundred fifty-seven thousand, eight hundred fifty-eight".