1400381318 has 16 divisors (see below), whose sum is σ = 2402937600. Its totient is φ = 599592456.

The previous prime is 1400381303. The next prime is 1400381327. The reversal of 1400381318 is 8131830041.

It is a super-2 number, since 2×1400381318² = 3922135671606834248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32168 + ... + 61931.

It is an arithmetic number, because the mean of its divisors is an integer number (150183600).

Almost surely, 2^1400381318 is an apocalyptic number.

1400381318 is a deficient number, since it is larger than the sum of its proper divisors (1002556282).

1400381318 is a wasteful number, since it uses less digits than its factorization.

1400381318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95171.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 1400381318 is about 37421.6690969283. The cubic root of 1400381318 is about 1118.7904986307.

The spelling of 1400381318 in words is "one billion, four hundred million, three hundred eighty-one thousand, three hundred eighteen".