136950961280 has 128 divisors (see below), whose sum is σ = 382131233280. Its totient is φ = 45955510272.

The previous prime is 136950961243. The next prime is 136950961297. The reversal of 136950961280 is 82169059631.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114647 + ... + 535766.

It is an arithmetic number, because the mean of its divisors is an integer number (2985400260).

Almost surely, 2^136950961280 is an apocalyptic number.

136950961280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136950961280 is an abundant number, since it is smaller than the sum of its proper divisors (245180272000).

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

136950961280 is an equidigital number, since it uses as much as digits as its factorization.

136950961280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650486 (or 650474 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 50.

The spelling of 136950961280 in words is "one hundred thirty-six billion, nine hundred fifty million, nine hundred sixty-one thousand, two hundred eighty".