195140757 has 16 divisors (see below), whose sum is σ = 303685632. Its totient is φ = 109135920.

The previous prime is 195140741. The next prime is 195140779. The reversal of 195140757 is 757041591.

195140757 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 195140757 - 2⁴ = 195140741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195140857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97869 + ... + 99842.

It is an arithmetic number, because the mean of its divisors is an integer number (18980352).

Almost surely, 2^195140757 is an apocalyptic number.

It is an amenable number.

195140757 is a deficient number, since it is larger than the sum of its proper divisors (108544875).

195140757 is a wasteful number, since it uses less digits than its factorization.

195140757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197768.

The product of its (nonzero) digits is 44100, while the sum is 39.

The square root of 195140757 is about 13969.2790436729. The cubic root of 195140757 is about 580.0284934476.

The spelling of 195140757 in words is "one hundred ninety-five million, one hundred forty thousand, seven hundred fifty-seven".