134320045631 has 4 divisors (see below), whose sum is σ = 134402099832. Its totient is φ = 134237991432.

The previous prime is 134320045591. The next prime is 134320045633. The reversal of 134320045631 is 136540023431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136540023431 = 7 ⋅19505717633.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134320045631 is a prime.

It is a super-2 number, since 2×134320045631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134320045633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41024645 + ... + 41027918.

It is an arithmetic number, because the mean of its divisors is an integer number (33600524958).

Almost surely, 2^134320045631 is an apocalyptic number.

134320045631 is a deficient number, since it is larger than the sum of its proper divisors (82054201).

134320045631 is an equidigital number, since it uses as much as digits as its factorization.

134320045631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82054200.

The product of its (nonzero) digits is 25920, while the sum is 32.

It can be divided in two parts, 1343200 and 45631, that added together give a palindrome (1388831).

The spelling of 134320045631 in words is "one hundred thirty-four billion, three hundred twenty million, forty-five thousand, six hundred thirty-one".