134578875431 has 64 divisors (see below), whose sum is σ = 182988288000. Its totient is φ = 96374234880.

The previous prime is 134578875383. The next prime is 134578875479.

134578875431 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (134578875383) and next prime (134578875479).

It is not a de Polignac number, because 134578875431 - 2⁶ = 134578875367 is a prime.

It is a super-2 number, since 2×134578875431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134578875631) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28945595 + ... + 28950243.

It is an arithmetic number, because the mean of its divisors is an integer number (2859192000).

Almost surely, 2^134578875431 is an apocalyptic number.

134578875431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

134578875431 is a deficient number, since it is larger than the sum of its proper divisors (48409412569).

134578875431 is a wasteful number, since it uses less digits than its factorization.

134578875431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4941 (or 4919 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 56.

It can be divided in two parts, 13457 and 8875431, that added together give a palindrome (8888888).

The spelling of 134578875431 in words is "one hundred thirty-four billion, five hundred seventy-eight million, eight hundred seventy-five thousand, four hundred thirty-one".