1381512096 has 144 divisors (see below), whose sum is σ = 4007937024. Its totient is φ = 451325952.

The previous prime is 1381512073. The next prime is 1381512101. The reversal of 1381512096 is 6902151831.

1381512096 is a `hidden beast` number, since 138 + 1 + 512 + 0 + 9 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a self number, because there is not a number n which added to its sum of digits gives 1381512096.

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, 3913456 + ... + 3913808.

It is an arithmetic number, because the mean of its divisors is an integer number (27832896).

Almost surely, 2^1381512096 is an apocalyptic number.

1381512096 is a gapful number since it is divisible by the number (16) 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 1381512096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2003968512).

1381512096 is an abundant number, since it is smaller than the sum of its proper divisors (2626424928).

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

1381512096 is a wasteful number, since it uses less digits than its factorization.

1381512096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 1381512096 is about 37168.6977980128. The cubic root of 1381512096 is about 1113.7427686804.

The spelling of 1381512096 in words is "one billion, three hundred eighty-one million, five hundred twelve thousand, ninety-six".