1381315350 has 48 divisors (see below), whose sum is σ = 3429280512. Its totient is φ = 367961760.

The previous prime is 1381315321. The next prime is 1381315363. The reversal of 1381315350 is 535131831.

It is a super-2 number, since 2×1381315350² = 3816064192291245000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 155119 + ... + 163781.

It is an arithmetic number, because the mean of its divisors is an integer number (71443344).

Almost surely, 2^1381315350 is an apocalyptic number.

1381315350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1381315350 is an abundant number, since it is smaller than the sum of its proper divisors (2047965162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1381315350 is a wasteful number, since it uses less digits than its factorization.

1381315350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9741 (or 9736 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1381315350 is about 37166.0510412392. The cubic root of 1381315350 is about 1113.6898954944.

The spelling of 1381315350 in words is "one billion, three hundred eighty-one million, three hundred fifteen thousand, three hundred fifty".