1138357091739 has 32 divisors (see below), whose sum is σ = 1836795502080. Its totient is φ = 612186158592.

The previous prime is 1138357091647. The next prime is 1138357091747. The reversal of 1138357091739 is 9371907538311.

It is a happy number.

It is not a de Polignac number, because 1138357091739 - 2¹² = 1138357087643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1138357091759) 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, 5932797 + ... + 6121665.

It is an arithmetic number, because the mean of its divisors is an integer number (57399859440).

Almost surely, 2^{1138357091739} is an apocalyptic number.

1138357091739 is a deficient number, since it is larger than the sum of its proper divisors (698438410341).

1138357091739 is a wasteful number, since it uses less digits than its factorization.

1138357091739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205779.

The product of its (nonzero) digits is 4286520, while the sum is 57.

The spelling of 1138357091739 in words is "one trillion, one hundred thirty-eight billion, three hundred fifty-seven million, ninety-one thousand, seven hundred thirty-nine".