136361256144 has 40 divisors (see below), whose sum is σ = 352695750432. Its totient is φ = 45398375040.

The previous prime is 136361256121. The next prime is 136361256151. The reversal of 136361256144 is 441652163631.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 136361256096 and 136361256105.

It is a congruent number.

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, 1690714 + ... + 1769529.

Almost surely, 2^136361256144 is an apocalyptic number.

It is an amenable number.

136361256144 is an abundant number, since it is smaller than the sum of its proper divisors (216334494288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136361256144 is a wasteful number, since it uses less digits than its factorization.

136361256144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3461075 (or 3461069 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The spelling of 136361256144 in words is "one hundred thirty-six billion, three hundred sixty-one million, two hundred fifty-six thousand, one hundred forty-four".