136421164645 has 8 divisors (see below), whose sum is σ = 163709314560. Its totient is φ = 109134320400.

The previous prime is 136421164577. The next prime is 136421164669. The reversal of 136421164645 is 546461124631.

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

It is a de Polignac number, because none of the positive numbers 2^k-136421164645 is a prime.

It is a super-2 number, since 2×136421164645² (a number of 23 digits) 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 7 ways as a sum of consecutive naturals, for example, 79581 + ... + 528370.

It is an arithmetic number, because the mean of its divisors is an integer number (20463664320).

Almost surely, 2^136421164645 is an apocalyptic number.

It is an amenable number.

136421164645 is a deficient number, since it is larger than the sum of its proper divisors (27288149915).

136421164645 is an equidigital number, since it uses as much as digits as its factorization.

136421164645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652835.

The product of its digits is 414720, while the sum is 43.

The spelling of 136421164645 in words is "one hundred thirty-six billion, four hundred twenty-one million, one hundred sixty-four thousand, six hundred forty-five".