136556045498 has 4 divisors (see below), whose sum is σ = 204834068250. Its totient is φ = 68278022748.

The previous prime is 136556045489. The next prime is 136556045501. The reversal of 136556045498 is 894540655631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 894540655631 = 7 ⋅127791522233.

It can be written as a sum of positive squares in only one way, i.e., 136417206409 + 138839089 = 369347^2 + 11783^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34139011373 + ... + 34139011376.

Almost surely, 2^136556045498 is an apocalyptic number.

136556045498 is a deficient number, since it is larger than the sum of its proper divisors (68278022752).

136556045498 is an equidigital number, since it uses as much as digits as its factorization.

136556045498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68278022751.

The product of its (nonzero) digits is 15552000, while the sum is 56.

The spelling of 136556045498 in words is "one hundred thirty-six billion, five hundred fifty-six million, forty-five thousand, four hundred ninety-eight".