134880451731 has 6 divisors (see below), whose sum is σ = 194827319180. Its totient is φ = 89920301148.

The previous prime is 134880451661. The next prime is 134880451751. The reversal of 134880451731 is 137154088431.

134880451731 is a `hidden beast` number, since 13 + 48 + 80 + 4 + 517 + 3 + 1 = 666.

It is not a de Polignac number, because 134880451731 - 2¹⁵ = 134880418963 is a prime.

It is a super-2 number, since 2×134880451731² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134880451751) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 7493358421 + ... + 7493358438.

Almost surely, 2^134880451731 is an apocalyptic number.

134880451731 is a deficient number, since it is larger than the sum of its proper divisors (59946867449).

134880451731 is a wasteful number, since it uses less digits than its factorization.

134880451731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14986716865 (or 14986716862 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 134880451731 in words is "one hundred thirty-four billion, eight hundred eighty million, four hundred fifty-one thousand, seven hundred thirty-one".