1040140141 has 4 divisors (see below), whose sum is σ = 1040311872. Its totient is φ = 1039968412.

The previous prime is 1040140133. The next prime is 1040140151. The reversal of 1040140141 is 1410410401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1410410401 = 53 ⋅26611517.

It is a cyclic number.

It is not a de Polignac number, because 1040140141 - 2³ = 1040140133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040140151) 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, 76435 + ... + 89008.

It is an arithmetic number, because the mean of its divisors is an integer number (260077968).

Almost surely, 2^1040140141 is an apocalyptic number.

It is an amenable number.

1040140141 is a deficient number, since it is larger than the sum of its proper divisors (171731).

1040140141 is an equidigital number, since it uses as much as digits as its factorization.

1040140141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171730.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1040140141 is about 32251.2037139701. The cubic root of 1040140141 is about 1013.2049098442.

Adding to 1040140141 its reverse (1410410401), we get a palindrome (2450550542).

The spelling of 1040140141 in words is "one billion, forty million, one hundred forty thousand, one hundred forty-one".