1913203152 has 120 divisors (see below), whose sum is σ = 6345941056. Its totient is φ = 546621696.

The previous prime is 1913203129. The next prime is 1913203189. The reversal of 1913203152 is 2513023191.

1913203152 is a `hidden beast` number, since 191 + 320 + 3 + 152 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 7933 + ... + 62364.

Almost surely, 2^1913203152 is an apocalyptic number.

1913203152 is a gapful number since it is divisible by the number (12) 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 1913203152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3172970528).

1913203152 is an abundant number, since it is smaller than the sum of its proper divisors (4432737904).

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

1913203152 is an equidigital number, since it uses as much as digits as its factorization.

1913203152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70327 (or 70309 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 1913203152 is about 43740.1777774165. The cubic root of 1913203152 is about 1241.4246442410.

The spelling of 1913203152 in words is "one billion, nine hundred thirteen million, two hundred three thousand, one hundred fifty-two".