136077328402 has 4 divisors (see below), whose sum is σ = 204115992606. Its totient is φ = 68038664200.

The previous prime is 136077328351. The next prime is 136077328463. The reversal of 136077328402 is 204823770631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204823770631 = 31873 ⋅6426247.

It can be written as a sum of positive squares in only one way, i.e., 135159904881 + 917423521 = 367641^2 + 30289^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 34019332099 + ... + 34019332102.

Almost surely, 2^136077328402 is an apocalyptic number.

136077328402 is a deficient number, since it is larger than the sum of its proper divisors (68038664204).

136077328402 is an equidigital number, since it uses as much as digits as its factorization.

136077328402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68038664203.

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 136077328402 in words is "one hundred thirty-six billion, seventy-seven million, three hundred twenty-eight thousand, four hundred two".