1397398195 has 8 divisors (see below), whose sum is σ = 1678643136. Its totient is φ = 1116741696.

The previous prime is 1397398183. The next prime is 1397398207. The reversal of 1397398195 is 5918937931.

It is an interprime number because it is at equal distance from previous prime (1397398183) and next prime (1397398207).

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

It is a cyclic number.

It is not a de Polignac number, because 1397398195 - 2¹⁵ = 1397365427 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141867 + ... + 151396.

It is an arithmetic number, because the mean of its divisors is an integer number (209830392).

Almost surely, 2^1397398195 is an apocalyptic number.

1397398195 is a deficient number, since it is larger than the sum of its proper divisors (281244941).

1397398195 is an equidigital number, since it uses as much as digits as its factorization.

1397398195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294221.

The product of its digits is 1837080, while the sum is 55.

The square root of 1397398195 is about 37381.7896174060. The cubic root of 1397398195 is about 1117.9955098423.

The spelling of 1397398195 in words is "one billion, three hundred ninety-seven million, three hundred ninety-eight thousand, one hundred ninety-five".