1381025548 has 12 divisors (see below), whose sum is σ = 2762051152. Its totient is φ = 591868080.

The previous prime is 1381025519. The next prime is 1381025557. The reversal of 1381025548 is 8455201831.

1381025548 is an admirable number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24661143 + ... + 24661198.

Almost surely, 2^1381025548 is an apocalyptic number.

It is an amenable number.

1381025548 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1381025548 is a wasteful number, since it uses less digits than its factorization.

1381025548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49322352 (or 49322350 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 1381025548 is about 37162.1520905343. The cubic root of 1381025548 is about 1113.6120054522.

The spelling of 1381025548 in words is "one billion, three hundred eighty-one million, twenty-five thousand, five hundred forty-eight".