1375138887630 has 32 divisors (see below), whose sum is σ = 3300365930400. Its totient is φ = 366700081152.

The previous prime is 1375138887569. The next prime is 1375138887653. The reversal of 1375138887630 is 367888315731.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4434286 + ... + 4734254.

It is an arithmetic number, because the mean of its divisors is an integer number (103136435325).

Almost surely, 2^{1375138887630} is an apocalyptic number.

1375138887630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1375138887630 is an abundant number, since it is smaller than the sum of its proper divisors (1925227042770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1375138887630 is a wasteful number, since it uses less digits than its factorization.

1375138887630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452788.

The product of its (nonzero) digits is 20321280, while the sum is 60.

The spelling of 1375138887630 in words is "one trillion, three hundred seventy-five billion, one hundred thirty-eight million, eight hundred eighty-seven thousand, six hundred thirty".