140531540001 has 4 divisors (see below), whose sum is σ = 187375386672. Its totient is φ = 93687693332.

The previous prime is 140531539933. The next prime is 140531540003. The reversal of 140531540001 is 100045135041.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 140531540001 - 2²¹ = 140529442849 is a prime.

It is a super-2 number, since 2×140531540001² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140531540003) 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, 23421923331 + ... + 23421923336.

It is an arithmetic number, because the mean of its divisors is an integer number (46843846668).

Almost surely, 2^140531540001 is an apocalyptic number.

It is an amenable number.

140531540001 is a deficient number, since it is larger than the sum of its proper divisors (46843846671).

140531540001 is an equidigital number, since it uses as much as digits as its factorization.

140531540001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46843846670.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 140531540001 its reverse (100045135041), we get a palindrome (240576675042).

The spelling of 140531540001 in words is "one hundred forty billion, five hundred thirty-one million, five hundred forty thousand, one".