1380810951 has 18 divisors (see below), whose sum is σ = 2159732328. Its totient is φ = 849728880.

The previous prime is 1380810947. The next prime is 1380810971. The reversal of 1380810951 is 1590180831.

It is not a de Polignac number, because 1380810951 - 2² = 1380810947 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380810971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 452395 + ... + 455436.

Almost surely, 2^1380810951 is an apocalyptic number.

1380810951 is a deficient number, since it is larger than the sum of its proper divisors (778921377).

1380810951 is a wasteful number, since it uses less digits than its factorization.

1380810951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907863 (or 907847 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 36.

The square root of 1380810951 is about 37159.2646724878. The cubic root of 1380810951 is about 1113.5543212249.

The spelling of 1380810951 in words is "one billion, three hundred eighty million, eight hundred ten thousand, nine hundred fifty-one".