1395557038 has 4 divisors (see below), whose sum is σ = 2093335560. Its totient is φ = 697778518.

The previous prime is 1395557027. The next prime is 1395557063. The reversal of 1395557038 is 8307555931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8307555931 = 2969 ⋅2798099.

It is a super-2 number, since 2×1395557038² = 3895158892622666888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348889258 + ... + 348889261.

It is an arithmetic number, because the mean of its divisors is an integer number (523333890).

Almost surely, 2^1395557038 is an apocalyptic number.

1395557038 is a deficient number, since it is larger than the sum of its proper divisors (697778522).

1395557038 is an equidigital number, since it uses as much as digits as its factorization.

1395557038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697778521.

The product of its (nonzero) digits is 567000, while the sum is 46.

The square root of 1395557038 is about 37357.1551111698. The cubic root of 1395557038 is about 1117.5042850425.

The spelling of 1395557038 in words is "one billion, three hundred ninety-five million, five hundred fifty-seven thousand, thirty-eight".