134431723635 has 32 divisors (see below), whose sum is σ = 234665544960. Its totient is φ = 65173161600.

The previous prime is 134431723631. The next prime is 134431723637. The reversal of 134431723635 is 536327134431.

It is not a de Polignac number, because 134431723635 - 2² = 134431723631 is a prime.

It is a super-2 number, since 2×134431723635² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (134431723631) 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, 2229261 + ... + 2288769.

It is an arithmetic number, because the mean of its divisors is an integer number (7333298280).

Almost surely, 2^134431723635 is an apocalyptic number.

134431723635 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

134431723635 is a deficient number, since it is larger than the sum of its proper divisors (100233821325).

134431723635 is a wasteful number, since it uses less digits than its factorization.

134431723635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73219.

The product of its digits is 544320, while the sum is 42.

The spelling of 134431723635 in words is "one hundred thirty-four billion, four hundred thirty-one million, seven hundred twenty-three thousand, six hundred thirty-five".