134443253131 has 4 divisors (see below), whose sum is σ = 146665367064. Its totient is φ = 122221139200.

The previous prime is 134443253093. The next prime is 134443253137. The reversal of 134443253131 is 131352344431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134443253131 - 2²⁵ = 134409698699 is a prime.

It is a super-2 number, since 2×134443253131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134443253137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6111056950 + ... + 6111056971.

It is an arithmetic number, because the mean of its divisors is an integer number (36666341766).

Almost surely, 2^134443253131 is an apocalyptic number.

134443253131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

134443253131 is a deficient number, since it is larger than the sum of its proper divisors (12222113933).

134443253131 is a wasteful number, since it uses less digits than its factorization.

134443253131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12222113932.

The product of its digits is 51840, while the sum is 34.

Adding to 134443253131 its reverse (131352344431), we get a palindrome (265795597562).

The spelling of 134443253131 in words is "one hundred thirty-four billion, four hundred forty-three million, two hundred fifty-three thousand, one hundred thirty-one".