1380292887 has 16 divisors (see below), whose sum is σ = 1900762112. Its totient is φ = 890040960.

The previous prime is 1380292877. The next prime is 1380292913. The reversal of 1380292887 is 7882920831.

It is not a de Polignac number, because 1380292887 - 2⁴ = 1380292871 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380292877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294063 + ... + 298719.

It is an arithmetic number, because the mean of its divisors is an integer number (118797632).

Almost surely, 2^1380292887 is an apocalyptic number.

1380292887 is a deficient number, since it is larger than the sum of its proper divisors (520469225).

1380292887 is a wasteful number, since it uses less digits than its factorization.

1380292887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7878.

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 1380292887 is about 37152.2931593731. The cubic root of 1380292887 is about 1113.4150396507.

The spelling of 1380292887 in words is "one billion, three hundred eighty million, two hundred ninety-two thousand, eight hundred eighty-seven".