134552255431 has 16 divisors (see below), whose sum is σ = 149434391808. Its totient is φ = 121132533720.

The previous prime is 134552255429. The next prime is 134552255441.

134552255431 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 134552255431 - 2¹ = 134552255429 is a prime.

It is a super-2 number, since 2×134552255431² (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 (134552255441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353641 + ... + 627826.

It is an arithmetic number, because the mean of its divisors is an integer number (9339649488).

Almost surely, 2^134552255431 is an apocalyptic number.

134552255431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

134552255431 is a deficient number, since it is larger than the sum of its proper divisors (14882136377).

134552255431 is an equidigital number, since it uses as much as digits as its factorization.

134552255431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981603 (or 981581 counting only the distinct ones).

The product of its digits is 360000, while the sum is 40.

It can be divided in two parts, 134552 and 255431, that added together give a palindrome (389983).

The spelling of 134552255431 in words is "one hundred thirty-four billion, five hundred fifty-two million, two hundred fifty-five thousand, four hundred thirty-one".