1375138887502 has 4 divisors (see below), whose sum is σ = 2062708331256. Its totient is φ = 687569443750.

The previous prime is 1375138887491. The next prime is 1375138887527. The reversal of 1375138887502 is 2057888315731.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 343784721874 + ... + 343784721877.

It is an arithmetic number, because the mean of its divisors is an integer number (515677082814).

Almost surely, 2^{1375138887502} is an apocalyptic number.

1375138887502 is a deficient number, since it is larger than the sum of its proper divisors (687569443754).

1375138887502 is an equidigital number, since it uses as much as digits as its factorization.

1375138887502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687569443753.

The product of its (nonzero) digits is 11289600, while the sum is 58.

The spelling of 1375138887502 in words is "one trillion, three hundred seventy-five billion, one hundred thirty-eight million, eight hundred eighty-seven thousand, five hundred two".