1519308972 has 36 divisors (see below), whose sum is σ = 4066387416. Its totient is φ = 476645760.

The previous prime is 1519308949. The next prime is 1519308979. The reversal of 1519308972 is 2798039151.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (1519308979) 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, 1240654 + ... + 1241877.

It is an arithmetic number, because the mean of its divisors is an integer number (112955206).

Almost surely, 2^1519308972 is an apocalyptic number.

1519308972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1519308972 is an abundant number, since it is smaller than the sum of its proper divisors (2547078444).

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

1519308972 is a wasteful number, since it uses less digits than its factorization.

1519308972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2482558 (or 2482553 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 1519308972 is about 38978.3141246514. The cubic root of 1519308972 is about 1149.6051503932.

The spelling of 1519308972 in words is "one billion, five hundred nineteen million, three hundred eight thousand, nine hundred seventy-two".