1393208045 has 16 divisors (see below), whose sum is σ = 1730737152. Its totient is φ = 1075514880.

The previous prime is 1393208023. The next prime is 1393208057. The reversal of 1393208045 is 5408023931.

It is not a de Polignac number, because 1393208045 - 2¹⁴ = 1393191661 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1393207996 and 1393208014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41984 + ... + 67446.

It is an arithmetic number, because the mean of its divisors is an integer number (108171072).

Almost surely, 2^1393208045 is an apocalyptic number.

It is an amenable number.

1393208045 is a deficient number, since it is larger than the sum of its proper divisors (337529107).

1393208045 is a wasteful number, since it uses less digits than its factorization.

1393208045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25852.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 1393208045 is about 37325.7022037094. The cubic root of 1393208045 is about 1116.8769408231.

The spelling of 1393208045 in words is "one billion, three hundred ninety-three million, two hundred eight thousand, forty-five".