136603423664 has 20 divisors (see below), whose sum is σ = 269662892256. Its totient is φ = 67012999872.

The previous prime is 136603423637. The next prime is 136603423673. The reversal of 136603423664 is 466324306631.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80543624 + ... + 80545319.

Almost surely, 2^136603423664 is an apocalyptic number.

It is an amenable number.

136603423664 is a deficient number, since it is larger than the sum of its proper divisors (133059468592).

136603423664 is a wasteful number, since it uses less digits than its factorization.

136603423664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161089004 (or 161088998 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 44.

The spelling of 136603423664 in words is "one hundred thirty-six billion, six hundred three million, four hundred twenty-three thousand, six hundred sixty-four".