136419568 has 20 divisors (see below), whose sum is σ = 269938080. Its totient is φ = 66758144.

The previous prime is 136419559. The next prime is 136419583. The reversal of 136419568 is 865914631.

It is a super-2 number, since 2×136419568² = 37220597066613248, which contains 22 as substring.

It is a congruent number.

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, 89953 + ... + 91456.

It is an arithmetic number, because the mean of its divisors is an integer number (13496904).

Almost surely, 2^136419568 is an apocalyptic number.

It is an amenable number.

136419568 is a deficient number, since it is larger than the sum of its proper divisors (133518512).

136419568 is a wasteful number, since it uses less digits than its factorization.

136419568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181464 (or 181458 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The square root of 136419568 is about 11679.8787664941. The cubic root of 136419568 is about 514.7846122280.

The spelling of 136419568 in words is "one hundred thirty-six million, four hundred nineteen thousand, five hundred sixty-eight".