151729189 has 4 divisors (see below), whose sum is σ = 156961260. Its totient is φ = 146497120.

The previous prime is 151729157. The next prime is 151729211. The reversal of 151729189 is 981927151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 981927151 = 101 ⋅9722051.

It can be written as a sum of positive squares in 2 ways, for example, as 125821089 + 25908100 = 11217^2 + 5090^2 .

It is a cyclic number.

It is not a de Polignac number, because 151729189 - 2⁵ = 151729157 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 (151729129) 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, 2615992 + ... + 2616049.

It is an arithmetic number, because the mean of its divisors is an integer number (39240315).

Almost surely, 2^151729189 is an apocalyptic number.

It is an amenable number.

151729189 is a deficient number, since it is larger than the sum of its proper divisors (5232071).

151729189 is an equidigital number, since it uses as much as digits as its factorization.

151729189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5232070.

The product of its digits is 45360, while the sum is 43.

The square root of 151729189 is about 12317.8402733596. The cubic root of 151729189 is about 533.3631972427.

The spelling of 151729189 in words is "one hundred fifty-one million, seven hundred twenty-nine thousand, one hundred eighty-nine".