695140149 has 16 divisors (see below), whose sum is σ = 1070591040. Its totient is φ = 396514560.

The previous prime is 695140111. The next prime is 695140151. The reversal of 695140149 is 941041596.

It is not a de Polignac number, because 695140149 - 2¹⁶ = 695074613 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (695140549) 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, 618994 + ... + 620115.

It is an arithmetic number, because the mean of its divisors is an integer number (66911940).

Almost surely, 2^695140149 is an apocalyptic number.

It is an amenable number.

695140149 is a deficient number, since it is larger than the sum of its proper divisors (375450891).

695140149 is a wasteful number, since it uses less digits than its factorization.

695140149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239140.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 695140149 is about 26365.5105962316. The cubic root of 695140149 is about 885.8444275184.

The spelling of 695140149 in words is "six hundred ninety-five million, one hundred forty thousand, one hundred forty-nine".