136168537474 has 16 divisors (see below), whose sum is σ = 205763564160. Its totient is φ = 67580879760.

The previous prime is 136168537429. The next prime is 136168537501. The reversal of 136168537474 is 474735861631.

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, 1416007 + ... + 1509109.

It is an arithmetic number, because the mean of its divisors is an integer number (12860222760).

Almost surely, 2^136168537474 is an apocalyptic number.

136168537474 is a deficient number, since it is larger than the sum of its proper divisors (69595026686).

136168537474 is a wasteful number, since it uses less digits than its factorization.

136168537474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98505.

The product of its digits is 10160640, while the sum is 55.

The spelling of 136168537474 in words is "one hundred thirty-six billion, one hundred sixty-eight million, five hundred thirty-seven thousand, four hundred seventy-four".