134234431431 has 8 divisors (see below), whose sum is σ = 178983816960. Its totient is φ = 89487333432.

The previous prime is 134234431427. The next prime is 134234431483. The reversal of 134234431431 is 134134432431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134234431431 - 2² = 134234431427 is a prime.

It is a super-2 number, since 2×134234431431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 134234431392 and 134234431401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134234431411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429925 + ... + 673278.

It is an arithmetic number, because the mean of its divisors is an integer number (22372977120).

Almost surely, 2^134234431431 is an apocalyptic number.

134234431431 is a deficient number, since it is larger than the sum of its proper divisors (44749385529).

134234431431 is a wasteful number, since it uses less digits than its factorization.

134234431431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143765.

The product of its digits is 41472, while the sum is 33.

Adding to 134234431431 its reverse (134134432431), we get a palindrome (268368863862).

The spelling of 134234431431 in words is "one hundred thirty-four billion, two hundred thirty-four million, four hundred thirty-one thousand, four hundred thirty-one".