126540366464 has 32 divisors (see below), whose sum is σ = 252110707200. Its totient is φ = 63265522432.

The previous prime is 126540366461. The next prime is 126540366467. The reversal of 126540366464 is 464663045621.

It is an interprime number because it is at equal distance from previous prime (126540366461) and next prime (126540366467).

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (126540366461) 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, 2282627 + ... + 2337405.

It is an arithmetic number, because the mean of its divisors is an integer number (7878459600).

Almost surely, 2^126540366464 is an apocalyptic number.

It is an amenable number.

126540366464 is a deficient number, since it is larger than the sum of its proper divisors (125570340736).

126540366464 is an equidigital number, since it uses as much as digits as its factorization.

126540366464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72840 (or 72828 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 47.

The spelling of 126540366464 in words is "one hundred twenty-six billion, five hundred forty million, three hundred sixty-six thousand, four hundred sixty-four".