1040131538 has 8 divisors (see below), whose sum is σ = 1579946880. Its totient is φ = 513482580.

The previous prime is 1040131529. The next prime is 1040131549. The reversal of 1040131538 is 8351310401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3291398 + ... + 3291713.

It is an arithmetic number, because the mean of its divisors is an integer number (197493360).

Almost surely, 2^1040131538 is an apocalyptic number.

1040131538 is a deficient number, since it is larger than the sum of its proper divisors (539815342).

1040131538 is an equidigital number, since it uses as much as digits as its factorization.

1040131538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6583192.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1040131538 is about 32251.0703388275. The cubic root of 1040131538 is about 1013.2021164303.

Adding to 1040131538 its reverse (8351310401), we get a palindrome (9391441939).

The spelling of 1040131538 in words is "one billion, forty million, one hundred thirty-one thousand, five hundred thirty-eight".