1395645738 has 8 divisors (see below), whose sum is σ = 2791291488. Its totient is φ = 465215244.

The previous prime is 1395645721. The next prime is 1395645751. The reversal of 1395645738 is 8375465931.

It is a sphenic number, since it is the product of 3 distinct primes.

1395645738 is an admirable 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, 116303806 + ... + 116303817.

It is an arithmetic number, because the mean of its divisors is an integer number (348911436).

Almost surely, 2^1395645738 is an apocalyptic number.

1395645738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1395645738 is a wasteful number, since it uses less digits than its factorization.

1395645738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232607628.

The product of its digits is 2721600, while the sum is 51.

The square root of 1395645738 is about 37358.3422812094. The cubic root of 1395645738 is about 1117.5279603032.

The spelling of 1395645738 in words is "one billion, three hundred ninety-five million, six hundred forty-five thousand, seven hundred thirty-eight".