1134440131 has 4 divisors (see below), whose sum is σ = 1237571064. Its totient is φ = 1031309200.

The previous prime is 1134440101. The next prime is 1134440149. The reversal of 1134440131 is 1310444311.

It is a happy number.

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 1134440131 - 2¹³ = 1134431939 is a prime.

It is a super-2 number, since 2×1134440131² = 2573908821646594322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1134440101) 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, 51565450 + ... + 51565471.

It is an arithmetic number, because the mean of its divisors is an integer number (309392766).

Almost surely, 2^1134440131 is an apocalyptic number.

1134440131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1134440131 is a deficient number, since it is larger than the sum of its proper divisors (103130933).

1134440131 is a wasteful number, since it uses less digits than its factorization.

1134440131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103130932.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1134440131 is about 33681.4508446415. The cubic root of 1134440131 is about 1042.9428884567.

Adding to 1134440131 its reverse (1310444311), we get a palindrome (2444884442).

The spelling of 1134440131 in words is "one billion, one hundred thirty-four million, four hundred forty thousand, one hundred thirty-one".