1138727354892 has 48 divisors (see below), whose sum is σ = 2674275555840. Its totient is φ = 377114476032.

The previous prime is 1138727354837. The next prime is 1138727354959. The reversal of 1138727354892 is 2984537278311.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3901209 + ... + 4182927.

It is an arithmetic number, because the mean of its divisors is an integer number (55714074080).

Almost surely, 2^{1138727354892} is an apocalyptic number.

1138727354892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1138727354892 is an abundant number, since it is smaller than the sum of its proper divisors (1535548200948).

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

1138727354892 is a wasteful number, since it uses less digits than its factorization.

1138727354892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283910 (or 283908 counting only the distinct ones).

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

The spelling of 1138727354892 in words is "one trillion, one hundred thirty-eight billion, seven hundred twenty-seven million, three hundred fifty-four thousand, eight hundred ninety-two".