134236632431 has 16 divisors (see below), whose sum is σ = 146640218400. Its totient is φ = 121866568320.

The previous prime is 134236632427. The next prime is 134236632539.

134236632431 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 134236632431 - 2² = 134236632427 is a prime.

It is a super-2 number, since 2×134236632431² (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 (134236632421) 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 15 ways as a sum of consecutive naturals, for example, 37151981 + ... + 37155593.

It is an arithmetic number, because the mean of its divisors is an integer number (9165013650).

Almost surely, 2^134236632431 is an apocalyptic number.

134236632431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

134236632431 is a deficient number, since it is larger than the sum of its proper divisors (12403585969).

134236632431 is a wasteful number, since it uses less digits than its factorization.

134236632431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7306.

The product of its digits is 186624, while the sum is 38.

It can be divided in two parts, 134236 and 632431, that added together give a palindrome (766667).

The spelling of 134236632431 in words is "one hundred thirty-four billion, two hundred thirty-six million, six hundred thirty-two thousand, four hundred thirty-one".