19146765132 has 144 divisors (see below), whose sum is σ = 53571248640. Its totient is φ = 5717712000.

The previous prime is 19146765067. The next prime is 19146765163. The reversal of 19146765132 is 23156764191.

19146765132 is a `hidden beast` number, since 1 + 91 + 46 + 7 + 6 + 513 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9558043 + ... + 9560045.

It is an arithmetic number, because the mean of its divisors is an integer number (372022560).

Almost surely, 2^19146765132 is an apocalyptic number.

19146765132 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 19146765132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26785624320).

19146765132 is an abundant number, since it is smaller than the sum of its proper divisors (34424483508).

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

19146765132 is a wasteful number, since it uses less digits than its factorization.

19146765132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364 (or 2359 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The spelling of 19146765132 in words is "nineteen billion, one hundred forty-six million, seven hundred sixty-five thousand, one hundred thirty-two".