1138357091740 has 96 divisors (see below), whose sum is σ = 2615984538048. Its totient is φ = 412661760000.

The previous prime is 1138357091647. The next prime is 1138357091747. The reversal of 1138357091740 is 471907538311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138357091747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201226992 + ... + 201232648.

It is an arithmetic number, because the mean of its divisors is an integer number (27249838938).

Almost surely, 2^{1138357091740} is an apocalyptic number.

1138357091740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1138357091740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1307992269024).

1138357091740 is an abundant number, since it is smaller than the sum of its proper divisors (1477627446308).

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

1138357091740 is a wasteful number, since it uses less digits than its factorization.

1138357091740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8359 (or 8357 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 49.

The spelling of 1138357091740 in words is "one trillion, one hundred thirty-eight billion, three hundred fifty-seven million, ninety-one thousand, seven hundred forty".