1134421431 has 16 divisors (see below), whose sum is σ = 1776996480. Its totient is φ = 634641120.

The previous prime is 1134421427. The next prime is 1134421439. The reversal of 1134421431 is 1341244311.

It is not a de Polignac number, because 1134421431 - 2² = 1134421427 is a prime.

It is a super-2 number, since 2×1134421431² = 2573823966224175522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1134421439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1321741 + ... + 1322598.

It is an arithmetic number, because the mean of its divisors is an integer number (111062280).

Almost surely, 2^1134421431 is an apocalyptic number.

1134421431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1134421431 is a deficient number, since it is larger than the sum of its proper divisors (642575049).

1134421431 is a wasteful number, since it uses less digits than its factorization.

1134421431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644366.

The product of its digits is 1152, while the sum is 24.

The square root of 1134421431 is about 33681.1732426292. The cubic root of 1134421431 is about 1042.9371578358.

Adding to 1134421431 its reverse (1341244311), we get a palindrome (2475665742).

The spelling of 1134421431 in words is "one billion, one hundred thirty-four million, four hundred twenty-one thousand, four hundred thirty-one".