1131757434 has 48 divisors (see below), whose sum is σ = 2580990048. Its totient is φ = 371611152.

The previous prime is 1131757427. The next prime is 1131757441. The reversal of 1131757434 is 4347571311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1131757427) and next prime (1131757441).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 15184 + ... + 49940.

It is an arithmetic number, because the mean of its divisors is an integer number (53770626).

Almost surely, 2^1131757434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131757434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1290495024).

1131757434 is an abundant number, since it is smaller than the sum of its proper divisors (1449232614).

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

1131757434 is an equidigital number, since it uses as much as digits as its factorization.

1131757434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34841 (or 34829 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 1131757434 is about 33641.6027263863. The cubic root of 1131757434 is about 1042.1201307361.

The spelling of 1131757434 in words is "one billion, one hundred thirty-one million, seven hundred fifty-seven thousand, four hundred thirty-four".