1395157 has 4 divisors (see below), whose sum is σ = 1455840. Its totient is φ = 1334476.

The previous prime is 1395137. The next prime is 1395167. The reversal of 1395157 is 7515931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1395157 - 2⁷ = 1395029 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

1395157 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1395127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30307 + ... + 30352.

It is an arithmetic number, because the mean of its divisors is an integer number (363960).

2^1395157 is an apocalyptic number.

It is an amenable number.

1395157 is a deficient number, since it is larger than the sum of its proper divisors (60683).

1395157 is an equidigital number, since it uses as much as digits as its factorization.

1395157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60682.

The product of its digits is 4725, while the sum is 31.

The square root of 1395157 is about 1181.1676426316. The cubic root of 1395157 is about 111.7397496883.

The spelling of 1395157 in words is "one million, three hundred ninety-five thousand, one hundred fifty-seven".