1393142464 has 28 divisors (see below), whose sum is σ = 3159449104. Its totient is φ = 597060864.

The previous prime is 1393142411. The next prime is 1393142479. The reversal of 1393142464 is 4642413931.

It is a tau number, because it is divible by the number of its divisors (28).

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, 1554399 + ... + 1555294.

It is an arithmetic number, because the mean of its divisors is an integer number (112837468).

Almost surely, 2^1393142464 is an apocalyptic number.

1393142464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1393142464 is an abundant number, since it is smaller than the sum of its proper divisors (1766306640).

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

1393142464 is an equidigital number, since it uses as much as digits as its factorization.

1393142464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3109712 (or 3109702 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The square root of 1393142464 is about 37324.8236968375. The cubic root of 1393142464 is about 1116.8594160281.

It can be divided in two parts, 139314 and 2464, that added together give a triangular number (141778 = T₅₃₂).

The spelling of 1393142464 in words is "one billion, three hundred ninety-three million, one hundred forty-two thousand, four hundred sixty-four".