1373127537507 has 24 divisors (see below), whose sum is σ = 2012526965568. Its totient is φ = 832149022320.

The previous prime is 1373127537443. The next prime is 1373127537563. The reversal of 1373127537507 is 7057357213731.

It is not a de Polignac number, because 1373127537507 - 2⁶ = 1373127537443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1373127537507.

It is not an unprimeable number, because it can be changed into a prime (1373127537007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6542128 + ... + 6748754.

It is an arithmetic number, because the mean of its divisors is an integer number (83855290232).

Almost surely, 2^{1373127537507} is an apocalyptic number.

1373127537507 is a deficient number, since it is larger than the sum of its proper divisors (639399428061).

1373127537507 is a wasteful number, since it uses less digits than its factorization.

1373127537507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224959 (or 224948 counting only the distinct ones).

The product of its (nonzero) digits is 3241350, while the sum is 51.

The spelling of 1373127537507 in words is "one trillion, three hundred seventy-three billion, one hundred twenty-seven million, five hundred thirty-seven thousand, five hundred seven".