1381301738 has 8 divisors (see below), whose sum is σ = 2072532288. Its totient is φ = 690457644.

The previous prime is 1381301707. The next prime is 1381301743. The reversal of 1381301738 is 8371031831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1381301698 and 1381301707.

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, 87506 + ... + 102077.

It is an arithmetic number, because the mean of its divisors is an integer number (259066536).

Almost surely, 2^1381301738 is an apocalyptic number.

1381301738 is a deficient number, since it is larger than the sum of its proper divisors (691230550).

1381301738 is a wasteful number, since it uses less digits than its factorization.

1381301738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193228.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1381301738 is about 37165.8679166786. The cubic root of 1381301738 is about 1113.6862372430.

The spelling of 1381301738 in words is "one billion, three hundred eighty-one million, three hundred one thousand, seven hundred thirty-eight".