1131440502 has 32 divisors (see below), whose sum is σ = 2308774752. Its totient is φ = 369517824.

The previous prime is 1131440489. The next prime is 1131440507. The reversal of 1131440502 is 2050441311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131440507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276858 + ... + 280914.

It is an arithmetic number, because the mean of its divisors is an integer number (72149211).

Almost surely, 2^1131440502 is an apocalyptic number.

1131440502 is an abundant number, since it is smaller than the sum of its proper divisors (1177334250).

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

1131440502 is a wasteful number, since it uses less digits than its factorization.

1131440502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4992.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1131440502 is about 33636.8919788972. The cubic root of 1131440502 is about 1042.0228448566.

Adding to 1131440502 its reverse (2050441311), we get a palindrome (3181881813).

The spelling of 1131440502 in words is "one billion, one hundred thirty-one million, four hundred forty thousand, five hundred two".