138474261100 has 36 divisors (see below), whose sum is σ = 343416169264. Its totient is φ = 47476889280.

The previous prime is 138474261097. The next prime is 138474261103. The reversal of 138474261100 is 1162474831.

It is an interprime number because it is at equal distance from previous prime (138474261097) and next prime (138474261103).

It is a self number, because there is not a number n which added to its sum of digits gives 138474261100.

It is not an unprimeable number, because it can be changed into a prime (138474261103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98909487 + ... + 98910886.

Almost surely, 2^138474261100 is an apocalyptic number.

138474261100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138474261100 is an abundant number, since it is smaller than the sum of its proper divisors (204941908164).

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

138474261100 is a wasteful number, since it uses less digits than its factorization.

138474261100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197820394 (or 197820387 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 138474261100 in words is "one hundred thirty-eight billion, four hundred seventy-four million, two hundred sixty-one thousand, one hundred".