540130250701021 has 4 divisors (see below), whose sum is σ = 540131764795200. Its totient is φ = 540128736606844.

The previous prime is 540130250701001. The next prime is 540130250701057. The reversal of 540130250701021 is 120107052031045.

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 a de Polignac number, because none of the positive numbers 2^k-540130250701021 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 (540130250701001) 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, 756511861 + ... + 757225498.

It is an arithmetic number, because the mean of its divisors is an integer number (135032941198800).

Almost surely, 2^{540130250701021} is an apocalyptic number.

It is an amenable number.

540130250701021 is a deficient number, since it is larger than the sum of its proper divisors (1514094179).

540130250701021 is a wasteful number, since it uses less digits than its factorization.

540130250701021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514094178.

The product of its (nonzero) digits is 8400, while the sum is 31.

The spelling of 540130250701021 in words is "five hundred forty trillion, one hundred thirty billion, two hundred fifty million, seven hundred one thousand, twenty-one".