142540535231 has 8 divisors (see below), whose sum is σ = 143591036880. Its totient is φ = 141490179648.

The previous prime is 142540535209. The next prime is 142540535257. The reversal of 142540535231 is 132535045241.

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 142540535231 - 2¹⁸ = 142540273087 is a prime.

It is a super-2 number, since 2×142540535231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142540535191 and 142540535200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142540534231) 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, 2641640 + ... + 2695058.

It is an arithmetic number, because the mean of its divisors is an integer number (17948879610).

Almost surely, 2^142540535231 is an apocalyptic number.

142540535231 is a deficient number, since it is larger than the sum of its proper divisors (1050501649).

142540535231 is a wasteful number, since it uses less digits than its factorization.

142540535231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73033.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 142540535231 in words is "one hundred forty-two billion, five hundred forty million, five hundred thirty-five thousand, two hundred thirty-one".