152140209 has 8 divisors (see below), whose sum is σ = 218457792. Its totient is φ = 93624720.

The previous prime is 152140181. The next prime is 152140211. The reversal of 152140209 is 902041251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 152140209 - 2¹² = 152136113 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (152140309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1950477 + ... + 1950554.

It is an arithmetic number, because the mean of its divisors is an integer number (27307224).

Almost surely, 2^152140209 is an apocalyptic number.

It is an amenable number.

152140209 is a deficient number, since it is larger than the sum of its proper divisors (66317583).

152140209 is a wasteful number, since it uses less digits than its factorization.

152140209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3901047.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 152140209 is about 12334.5129210683. The cubic root of 152140209 is about 533.8443731429.

The spelling of 152140209 in words is "one hundred fifty-two million, one hundred forty thousand, two hundred nine".