136564419 has 8 divisors (see below), whose sum is σ = 191669440. Its totient is φ = 86251176.

The previous prime is 136564397. The next prime is 136564459. The reversal of 136564419 is 914465631.

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

It is not a de Polignac number, because 136564419 - 2⁸ = 136564163 is a prime.

It is a super-2 number, since 2×136564419² = 37299681073615122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136564459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1197877 + ... + 1197990.

It is an arithmetic number, because the mean of its divisors is an integer number (23958680).

Almost surely, 2^136564419 is an apocalyptic number.

136564419 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

136564419 is a deficient number, since it is larger than the sum of its proper divisors (55105021).

136564419 is a wasteful number, since it uses less digits than its factorization.

136564419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395889.

The product of its digits is 77760, while the sum is 39.

The square root of 136564419 is about 11686.0779990551. The cubic root of 136564419 is about 514.9667480966.

The spelling of 136564419 in words is "one hundred thirty-six million, five hundred sixty-four thousand, four hundred nineteen".