149894794188 has 96 divisors (see below), whose sum is σ = 401682624000. Its totient is φ = 48312728640.

The previous prime is 149894794177. The next prime is 149894794199. The reversal of 149894794188 is 881497498941.

149894794188 is a `hidden beast` number, since 1 + 498 + 9 + 47 + 94 + 1 + 8 + 8 = 666.

149894794188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (149894794177) and next prime (149894794199).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195873 + ... + 581511.

It is an arithmetic number, because the mean of its divisors is an integer number (4184194000).

Almost surely, 2^149894794188 is an apocalyptic number.

149894794188 is a gapful number since it is divisible by the number (18) 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 149894794188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200841312000).

149894794188 is an abundant number, since it is smaller than the sum of its proper divisors (251787829812).

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

149894794188 is a wasteful number, since it uses less digits than its factorization.

149894794188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385772 (or 385764 counting only the distinct ones).

The product of its digits is 167215104, while the sum is 72.

The spelling of 149894794188 in words is "one hundred forty-nine billion, eight hundred ninety-four million, seven hundred ninety-four thousand, one hundred eighty-eight".