1134431430 has 64 divisors (see below), whose sum is σ = 2974468608. Its totient is φ = 274613760.

The previous prime is 1134431429. The next prime is 1134431443. The reversal of 1134431430 is 341344311.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1134431430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269502 + ... + 273678.

It is an arithmetic number, because the mean of its divisors is an integer number (46476072).

Almost surely, 2^1134431430 is an apocalyptic number.

1134431430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1134431430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1487234304).

1134431430 is an abundant number, since it is smaller than the sum of its proper divisors (1840037178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1134431430 is a wasteful number, since it uses less digits than its factorization.

1134431430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5021.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1134431430 is about 33681.3216783427. The cubic root of 1134431430 is about 1042.9402220403.

Adding to 1134431430 its reverse (341344311), we get a palindrome (1475775741).

The spelling of 1134431430 in words is "one billion, one hundred thirty-four million, four hundred thirty-one thousand, four hundred thirty".