150136009 has 3 divisors (see below), whose sum is σ = 150148263. Its totient is φ = 150123756.

The previous prime is 150136003. The next prime is 150136031. The reversal of 150136009 is 900631051.

The square root of 150136009 is 12253.

It is a perfect power (a square), and thus also a powerful number.

150136009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 73188025 + 76947984 = 8555^2 + 8772^2 .

It is not a de Polignac number, because 150136009 - 2⁹ = 150135497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150136003) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6127 + ... + 18379.

It is an arithmetic number, because the mean of its divisors is an integer number (50049421).

Almost surely, 2^150136009 is an apocalyptic number.

150136009 is the 12253-rd square number.

150136009 is the 6127-th centered octagonal number.

It is an amenable number.

150136009 is a deficient number, since it is larger than the sum of its proper divisors (12254).

150136009 is an frugal number, since it uses more digits than its factorization.

150136009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24506 (or 12253 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 25.

The cubic root of 150136009 is about 531.4898262223.

Multiplying 150136009 by its sum of digits (25), we get a square (3753400225 = 61265²).

The spelling of 150136009 in words is "one hundred fifty million, one hundred thirty-six thousand, nine".