1380913903 has 4 divisors (see below), whose sum is σ = 1381028040. Its totient is φ = 1380799768.

The previous prime is 1380913883. The next prime is 1380913931. The reversal of 1380913903 is 3093190831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1380913903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380913603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36433 + ... + 63946.

It is an arithmetic number, because the mean of its divisors is an integer number (345257010).

Almost surely, 2^1380913903 is an apocalyptic number.

1380913903 is a deficient number, since it is larger than the sum of its proper divisors (114137).

1380913903 is a wasteful number, since it uses less digits than its factorization.

1380913903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114136.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 1380913903 is about 37160.6499270398. The cubic root of 1380913903 is about 1113.5819957339.

The spelling of 1380913903 in words is "one billion, three hundred eighty million, nine hundred thirteen thousand, nine hundred three".