1138732013290 has 32 divisors (see below), whose sum is σ = 2061727995600. Its totient is φ = 452825510400.

The previous prime is 1138732013267. The next prime is 1138732013297. The reversal of 1138732013290 is 923102378311.

It can be written as a sum of positive squares in 8 ways, for example, as 269983120801 + 868748892489 = 519599^2 + 932067^2 .

It is not an unprimeable number, because it can be changed into a prime (1138732013297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5415520 + ... + 5621860.

Almost surely, 2^{1138732013290} is an apocalyptic number.

1138732013290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1138732013290 is a deficient number, since it is larger than the sum of its proper divisors (922995982310).

1138732013290 is a wasteful number, since it uses less digits than its factorization.

1138732013290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209578.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 1138732013290 in words is "one trillion, one hundred thirty-eight billion, seven hundred thirty-two million, thirteen thousand, two hundred ninety".