1380627252 has 36 divisors (see below), whose sum is σ = 3491473440. Its totient is φ = 460004112.

The previous prime is 1380627251. The next prime is 1380627271. The reversal of 1380627252 is 2527260831.

1380627252 is a `hidden beast` number, since 1 + 3 + 8 + 0 + 627 + 25 + 2 = 666.

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

It is a super-2 number, since 2×1380627252² = 3812263217930143008, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380627251) 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, 88513 + ... + 102935.

Almost surely, 2^1380627252 is an apocalyptic number.

1380627252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1380627252 is an abundant number, since it is smaller than the sum of its proper divisors (2110846188).

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

1380627252 is a wasteful number, since it uses less digits than its factorization.

1380627252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17092 (or 17087 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 1380627252 is about 37156.7928110056. The cubic root of 1380627252 is about 1113.5049377118.

The spelling of 1380627252 in words is "one billion, three hundred eighty million, six hundred twenty-seven thousand, two hundred fifty-two".