134673646731 has 32 divisors (see below), whose sum is σ = 200480942592. Its totient is φ = 79880490240.

The previous prime is 134673646727. The next prime is 134673646741. The reversal of 134673646731 is 137646376431.

It is not a de Polignac number, because 134673646731 - 2² = 134673646727 is a prime.

It is a super-2 number, since 2×134673646731² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (134673646741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 374655 + ... + 640088.

It is an arithmetic number, because the mean of its divisors is an integer number (6265029456).

Almost surely, 2^134673646731 is an apocalyptic number.

134673646731 is a deficient number, since it is larger than the sum of its proper divisors (65807295861).

134673646731 is a wasteful number, since it uses less digits than its factorization.

134673646731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014883.

The product of its digits is 4572288, while the sum is 51.

It can be divided in two parts, 134 and 673646731, that added together give a triangular number (673646865 = T₃₆₇₀₅).

The spelling of 134673646731 in words is "one hundred thirty-four billion, six hundred seventy-three million, six hundred forty-six thousand, seven hundred thirty-one".