1138732013291 has 4 divisors (see below), whose sum is σ = 1143704642400. Its totient is φ = 1133759384184.

The previous prime is 1138732013267. The next prime is 1138732013297. The reversal of 1138732013291 is 1923102378311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1138732013291 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 2486314211 + ... + 2486314668.

It is an arithmetic number, because the mean of its divisors is an integer number (285926160600).

Almost surely, 2^{1138732013291} is an apocalyptic number.

1138732013291 is a deficient number, since it is larger than the sum of its proper divisors (4972629109).

1138732013291 is an equidigital number, since it uses as much as digits as its factorization.

1138732013291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4972629108.

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 1138732013291 in words is "one trillion, one hundred thirty-eight billion, seven hundred thirty-two million, thirteen thousand, two hundred ninety-one".