4520147131237 has 4 divisors (see below), whose sum is σ = 4605432926220. Its totient is φ = 4434861336256.

The previous prime is 4520147131177. The next prime is 4520147131249. The reversal of 4520147131237 is 7321317410254.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3349306272321 + 1170840858916 = 1830111^2 + 1082054^2 .

It is a cyclic number.

It is not a de Polignac number, because 4520147131237 - 2¹¹ = 4520147129189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4520147131237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4520147131637) 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, 42642897412 + ... + 42642897517.

It is an arithmetic number, because the mean of its divisors is an integer number (1151358231555).

Almost surely, 2^{4520147131237} is an apocalyptic number.

It is an amenable number.

4520147131237 is a deficient number, since it is larger than the sum of its proper divisors (85285794983).

4520147131237 is an equidigital number, since it uses as much as digits as its factorization.

4520147131237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85285794982.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 4520147131237 in words is "four trillion, five hundred twenty billion, one hundred forty-seven million, one hundred thirty-one thousand, two hundred thirty-seven".