395120149 has 4 divisors (see below), whose sum is σ = 397962880. Its totient is φ = 392277420.

The previous prime is 395120129. The next prime is 395120153. The reversal of 395120149 is 941021593.

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 a de Polignac number, because none of the positive numbers 2^k-395120149 is a prime.

It is a super-2 number, since 2×395120149² = 312239864291564402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395120129) 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, 1421157 + ... + 1421434.

It is an arithmetic number, because the mean of its divisors is an integer number (99490720).

Almost surely, 2^395120149 is an apocalyptic number.

It is an amenable number.

395120149 is a deficient number, since it is larger than the sum of its proper divisors (2842731).

395120149 is a wasteful number, since it uses less digits than its factorization.

395120149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2842730.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 395120149 is about 19877.6293606657. The cubic root of 395120149 is about 733.7977779429.

The spelling of 395120149 in words is "three hundred ninety-five million, one hundred twenty thousand, one hundred forty-nine".