1131502135 has 32 divisors (see below), whose sum is σ = 1470804480. Its totient is φ = 833078400.

The previous prime is 1131502121. The next prime is 1131502147. The reversal of 1131502135 is 5312051311.

It is not a de Polignac number, because 1131502135 - 2⁵ = 1131502103 is a prime.

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, 1637140 + ... + 1637830.

It is an arithmetic number, because the mean of its divisors is an integer number (45962640).

Almost surely, 2^1131502135 is an apocalyptic number.

1131502135 is a deficient number, since it is larger than the sum of its proper divisors (339302345).

1131502135 is a wasteful number, since it uses less digits than its factorization.

1131502135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 1131502135 is about 33637.8081182469. The cubic root of 1131502135 is about 1042.0417652293.

Adding to 1131502135 its reverse (5312051311), we get a palindrome (6443553446).

The spelling of 1131502135 in words is "one billion, one hundred thirty-one million, five hundred two thousand, one hundred thirty-five".