1813474152 has 96 divisors (see below), whose sum is σ = 5908593600. Its totient is φ = 490862592.

The previous prime is 1813474121. The next prime is 1813474181. The reversal of 1813474152 is 2514743181.

1813474152 is a `hidden beast` number, since 181 + 3 + 474 + 1 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85113 + ... + 104264.

It is an arithmetic number, because the mean of its divisors is an integer number (61547850).

Almost surely, 2^1813474152 is an apocalyptic number.

1813474152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1813474152 is an abundant number, since it is smaller than the sum of its proper divisors (4095119448).

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

1813474152 is a wasteful number, since it uses less digits than its factorization.

1813474152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189415 (or 189408 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 1813474152 is about 42584.9052129977. The cubic root of 1813474152 is about 1219.4681350911.

The spelling of 1813474152 in words is "one billion, eight hundred thirteen million, four hundred seventy-four thousand, one hundred fifty-two".