150265139 has 4 divisors (see below), whose sum is σ = 150290760. Its totient is φ = 150239520.

The previous prime is 150265069. The next prime is 150265151. The reversal of 150265139 is 931562051.

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

It is a cyclic number.

It is not a de Polignac number, because 150265139 - 2⁸ = 150264883 is a prime.

It is a super-2 number, since 2×150265139² = 45159223997378642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150265639) 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, 827 + ... + 17355.

It is an arithmetic number, because the mean of its divisors is an integer number (37572690).

Almost surely, 2^150265139 is an apocalyptic number.

150265139 is a deficient number, since it is larger than the sum of its proper divisors (25621).

150265139 is an equidigital number, since it uses as much as digits as its factorization.

150265139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25620.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 150265139 is about 12258.2681892672. The cubic root of 150265139 is about 531.6421583529.

The spelling of 150265139 in words is "one hundred fifty million, two hundred sixty-five thousand, one hundred thirty-nine".