1040140535331 has 4 divisors (see below), whose sum is σ = 1386854047112. Its totient is φ = 693427023552.

The previous prime is 1040140535327. The next prime is 1040140535353. The reversal of 1040140535331 is 1335350410401.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1040140535331 - 2² = 1040140535327 is a prime.

It is a super-2 number, since 2×1040140535331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040140585331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173356755886 + ... + 173356755891.

It is an arithmetic number, because the mean of its divisors is an integer number (346713511778).

Almost surely, 2^{1040140535331} is an apocalyptic number.

1040140535331 is a deficient number, since it is larger than the sum of its proper divisors (346713511781).

1040140535331 is an equidigital number, since it uses as much as digits as its factorization.

1040140535331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346713511780.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 1040140535331 its reverse (1335350410401), we get a palindrome (2375490945732).

The spelling of 1040140535331 in words is "one trillion, forty billion, one hundred forty million, five hundred thirty-five thousand, three hundred thirty-one".