1378460359 has 4 divisors (see below), whose sum is σ = 1388377480. Its totient is φ = 1368543240.

The previous prime is 1378460333. The next prime is 1378460381. The reversal of 1378460359 is 9530648731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9530648731 = 1559 ⋅6113309.

It is a cyclic number.

It is not a de Polignac number, because 1378460359 - 2⁵ = 1378460327 is a prime.

It is a super-2 number, since 2×1378460359² = 3800305922668817762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378460309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4958352 + ... + 4958629.

It is an arithmetic number, because the mean of its divisors is an integer number (347094370).

Almost surely, 2^1378460359 is an apocalyptic number.

1378460359 is a deficient number, since it is larger than the sum of its proper divisors (9917121).

1378460359 is an equidigital number, since it uses as much as digits as its factorization.

1378460359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9917120.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 1378460359 is about 37127.6225875022. The cubic root of 1378460359 is about 1112.9220844053.

The spelling of 1378460359 in words is "one billion, three hundred seventy-eight million, four hundred sixty thousand, three hundred fifty-nine".