195137967 has 4 divisors (see below), whose sum is σ = 260183960. Its totient is φ = 130091976.

The previous prime is 195137953. The next prime is 195137977. The reversal of 195137967 is 769731591.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 195137967 - 2¹⁵ = 195105199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195137927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32522992 + ... + 32522997.

It is an arithmetic number, because the mean of its divisors is an integer number (65045990).

Almost surely, 2^195137967 is an apocalyptic number.

195137967 is a deficient number, since it is larger than the sum of its proper divisors (65045993).

195137967 is an equidigital number, since it uses as much as digits as its factorization.

195137967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65045992.

The product of its digits is 357210, while the sum is 48.

The square root of 195137967 is about 13969.1791813263. The cubic root of 195137967 is about 580.0257291400.

The spelling of 195137967 in words is "one hundred ninety-five million, one hundred thirty-seven thousand, nine hundred sixty-seven".