136468519 has 12 divisors (see below), whose sum is σ = 155179080. Its totient is φ = 119781200.

The previous prime is 136468513. The next prime is 136468523. The reversal of 136468519 is 915864631.

It is not a de Polignac number, because 136468519 - 2¹³ = 136460327 is a prime.

It is a super-2 number, since 2×136468519² = 37247313356106722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136468513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15937 + ... + 22954.

It is an arithmetic number, because the mean of its divisors is an integer number (12931590).

Almost surely, 2^136468519 is an apocalyptic number.

136468519 is a deficient number, since it is larger than the sum of its proper divisors (18710561).

136468519 is a wasteful number, since it uses less digits than its factorization.

136468519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38942 (or 38931 counting only the distinct ones).

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

The square root of 136468519 is about 11681.9741054327. The cubic root of 136468519 is about 514.8461777069.

The spelling of 136468519 in words is "one hundred thirty-six million, four hundred sixty-eight thousand, five hundred nineteen".