1379512512 has 224 divisors, whose sum is σ = 4715865600. Its totient is φ = 387265536.

The previous prime is 1379512507. The next prime is 1379512523. The reversal of 1379512512 is 2152159731.

1379512512 is a `hidden beast` number, since 137 + 9 + 5 + 1 + 2 + 512 = 666.

It is a tau number, because it is divible by the number of its divisors (224).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 712698 + ... + 714630.

Almost surely, 2^1379512512 is an apocalyptic number.

1379512512 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 1379512512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2357932800).

1379512512 is an abundant number, since it is smaller than the sum of its proper divisors (3336353088).

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

1379512512 is a wasteful number, since it uses less digits than its factorization.

1379512512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020 (or 2004 counting only the distinct ones).

The product of its digits is 18900, while the sum is 36.

The square root of 1379512512 is about 37141.7892945399. The cubic root of 1379512512 is about 1113.2051699273.

The spelling of 1379512512 in words is "one billion, three hundred seventy-nine million, five hundred twelve thousand, five hundred twelve".