126590440142539 has 8 divisors (see below), whose sum is σ = 126802341943200. Its totient is φ = 126378540228096.

The previous prime is 126590440142521. The next prime is 126590440142549. The reversal of 126590440142539 is 935241044095621.

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 126590440142539 - 2⁴¹ = 124391416886987 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 126590440142539.

It is not an unprimeable number, because it can be changed into a prime (126590440142549) 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, 219903147 + ... + 220478059.

It is an arithmetic number, because the mean of its divisors is an integer number (15850292742900).

Almost surely, 2^{126590440142539} is an apocalyptic number.

126590440142539 is a deficient number, since it is larger than the sum of its proper divisors (211901800661).

126590440142539 is an equidigital number, since it uses as much as digits as its factorization.

126590440142539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943109.

The product of its (nonzero) digits is 9331200, while the sum is 55.

The spelling of 126590440142539 in words is "one hundred twenty-six trillion, five hundred ninety billion, four hundred forty million, one hundred forty-two thousand, five hundred thirty-nine".