564140149 has 4 divisors (see below), whose sum is σ = 566065836. Its totient is φ = 562214464.

The previous prime is 564140099. The next prime is 564140179. The reversal of 564140149 is 941041465.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 326055249 + 238084900 = 18057^2 + 15430^2 .

It is a cyclic number.

It is not a de Polignac number, because 564140149 - 2¹³ = 564131957 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 (564140179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 962404 + ... + 962989.

It is an arithmetic number, because the mean of its divisors is an integer number (141516459).

Almost surely, 2^564140149 is an apocalyptic number.

It is an amenable number.

564140149 is a deficient number, since it is larger than the sum of its proper divisors (1925687).

564140149 is a wasteful number, since it uses less digits than its factorization.

564140149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925686.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 564140149 is about 23751.6346595345. The cubic root of 564140149 is about 826.2833525933.

The spelling of 564140149 in words is "five hundred sixty-four million, one hundred forty thousand, one hundred forty-nine".