1565140141 has 8 divisors (see below), whose sum is σ = 1600012800. Its totient is φ = 1530545760.

The previous prime is 1565140127. The next prime is 1565140151. The reversal of 1565140141 is 1410415651.

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

It is a cyclic number.

It is not a de Polignac number, because 1565140141 - 2¹⁵ = 1565107373 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 (1565140111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58176 + ... + 80713.

It is an arithmetic number, because the mean of its divisors is an integer number (200001600).

Almost surely, 2^1565140141 is an apocalyptic number.

It is an amenable number.

1565140141 is a deficient number, since it is larger than the sum of its proper divisors (34872659).

1565140141 is a wasteful number, since it uses less digits than its factorization.

1565140141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139139.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 1565140141 is about 39561.8520926410. The cubic root of 1565140141 is about 1161.0504112502.

Adding to 1565140141 its reverse (1410415651), we get a palindrome (2975555792).

The spelling of 1565140141 in words is "one billion, five hundred sixty-five million, one hundred forty thousand, one hundred forty-one".