150136999 has 4 divisors (see below), whose sum is σ = 154980160. Its totient is φ = 145293840.

The previous prime is 150136967. The next prime is 150137003. The reversal of 150136999 is 999631051.

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 150136999 - 2⁵ = 150136967 is a prime.

It is a super-2 number, since 2×150136999² = 45082236937452002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150136919) 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, 2421534 + ... + 2421595.

It is an arithmetic number, because the mean of its divisors is an integer number (38745040).

Almost surely, 2^150136999 is an apocalyptic number.

150136999 is a deficient number, since it is larger than the sum of its proper divisors (4843161).

150136999 is an equidigital number, since it uses as much as digits as its factorization.

150136999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4843160.

The product of its (nonzero) digits is 65610, while the sum is 43.

The square root of 150136999 is about 12253.0403982032. The cubic root of 150136999 is about 531.4909944381.

The spelling of 150136999 in words is "one hundred fifty million, one hundred thirty-six thousand, nine hundred ninety-nine".