1396921342 has 8 divisors (see below), whose sum is σ = 2095650432. Its totient is φ = 698371200.

The previous prime is 1396921327. The next prime is 1396921367. The reversal of 1396921342 is 2431296931.

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 = 1396921295 and 1396921304.

It is a congruent number.

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, 23134 + ... + 57697.

It is an arithmetic number, because the mean of its divisors is an integer number (261956304).

Almost surely, 2^1396921342 is an apocalyptic number.

1396921342 is a deficient number, since it is larger than the sum of its proper divisors (698729090).

1396921342 is an equidigital number, since it uses as much as digits as its factorization.

1396921342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89474.

The product of its digits is 69984, while the sum is 40.

The square root of 1396921342 is about 37375.4109275069. The cubic root of 1396921342 is about 1117.8683258210.

The spelling of 1396921342 in words is "one billion, three hundred ninety-six million, nine hundred twenty-one thousand, three hundred forty-two".