113748221138 has 8 divisors (see below), whose sum is σ = 172132264188. Its totient is φ = 56370799744.

The previous prime is 113748221129. The next prime is 113748221143. The reversal of 113748221138 is 831122847311.

It can be written as a sum of positive squares in 2 ways, for example, as 108539279209 + 5208941929 = 329453^2 + 72173^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 113748221095 and 113748221104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251655131 + ... + 251655582.

Almost surely, 2^113748221138 is an apocalyptic number.

113748221138 is a deficient number, since it is larger than the sum of its proper divisors (58384043050).

113748221138 is a wasteful number, since it uses less digits than its factorization.

113748221138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503310828.

The product of its digits is 64512, while the sum is 41.

The spelling of 113748221138 in words is "one hundred thirteen billion, seven hundred forty-eight million, two hundred twenty-one thousand, one hundred thirty-eight".