134691356780 has 24 divisors (see below), whose sum is σ = 290496495408. Its totient is φ = 52420419648.

The previous prime is 134691356777. The next prime is 134691356791. The reversal of 134691356780 is 87653196431.

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, 91006934 + ... + 91008413.

It is an arithmetic number, because the mean of its divisors is an integer number (12104020642).

Almost surely, 2^134691356780 is an apocalyptic number.

134691356780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134691356780 is an abundant number, since it is smaller than the sum of its proper divisors (155805138628).

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

134691356780 is a wasteful number, since it uses less digits than its factorization.

134691356780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182015393 (or 182015391 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 134691356780 in words is "one hundred thirty-four billion, six hundred ninety-one million, three hundred fifty-six thousand, seven hundred eighty".