136377057643 has 4 divisors (see below), whose sum is σ = 138950209728. Its totient is φ = 133803905560.

The previous prime is 136377057623. The next prime is 136377057673. The reversal of 136377057643 is 346750773631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 346750773631 = 53 ⋅6542467427.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136377057643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136377057623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1286575963 + ... + 1286576068.

It is an arithmetic number, because the mean of its divisors is an integer number (34737552432).

Almost surely, 2^136377057643 is an apocalyptic number.

136377057643 is a deficient number, since it is larger than the sum of its proper divisors (2573152085).

136377057643 is an equidigital number, since it uses as much as digits as its factorization.

136377057643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2573152084.

The product of its (nonzero) digits is 6667920, while the sum is 52.

The spelling of 136377057643 in words is "one hundred thirty-six billion, three hundred seventy-seven million, fifty-seven thousand, six hundred forty-three".