136478770320436 has 12 divisors (see below), whose sum is σ = 238854821924320. Its totient is φ = 68234535484920.

The previous prime is 136478770320301. The next prime is 136478770320469. The reversal of 136478770320436 is 634023077874631.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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, 1212355506 + ... + 1212468073.

Almost surely, 2^{136478770320436} is an apocalyptic number.

It is an amenable number.

136478770320436 is a deficient number, since it is larger than the sum of its proper divisors (102376051603884).

136478770320436 is a wasteful number, since it uses less digits than its factorization.

136478770320436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424837654 (or 2424837652 counting only the distinct ones).

The product of its (nonzero) digits is 85349376, while the sum is 61.

The spelling of 136478770320436 in words is "one hundred thirty-six trillion, four hundred seventy-eight billion, seven hundred seventy million, three hundred twenty thousand, four hundred thirty-six".