149130289 has 8 divisors (see below), whose sum is σ = 185928768. Its totient is φ = 116205360.

The previous prime is 149130283. The next prime is 149130329. The reversal of 149130289 is 982031941.

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

It is a cyclic number.

It is not a de Polignac number, because 149130289 - 2¹⁹ = 148606001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149130283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968302 + ... + 968455.

It is an arithmetic number, because the mean of its divisors is an integer number (23241096).

Almost surely, 2^149130289 is an apocalyptic number.

It is an amenable number.

149130289 is a deficient number, since it is larger than the sum of its proper divisors (36798479).

149130289 is a wasteful number, since it uses less digits than its factorization.

149130289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1936775.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 149130289 is about 12211.8912949633. The cubic root of 149130289 is about 530.3003981166.

The spelling of 149130289 in words is "one hundred forty-nine million, one hundred thirty thousand, two hundred eighty-nine".