1380913975 has 24 divisors (see below), whose sum is σ = 1961311968. Its totient is φ = 944803200.

The previous prime is 1380913969. The next prime is 1380913991. The reversal of 1380913975 is 5793190831.

It is a happy number.

It is not a de Polignac number, because 1380913975 - 2¹⁵ = 1380881207 is a prime.

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, 72117 + ... + 89233.

It is an arithmetic number, because the mean of its divisors is an integer number (81721332).

Almost surely, 2^1380913975 is an apocalyptic number.

1380913975 is a deficient number, since it is larger than the sum of its proper divisors (580397993).

1380913975 is a wasteful number, since it uses less digits than its factorization.

1380913975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17595 (or 17590 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 46.

The square root of 1380913975 is about 37160.6508958064. The cubic root of 1380913975 is about 1113.5820150878.

The spelling of 1380913975 in words is "one billion, three hundred eighty million, nine hundred thirteen thousand, nine hundred seventy-five".