149874189289 has 8 divisors (see below), whose sum is σ = 163518930432. Its totient is φ = 136232750640.

The previous prime is 149874189287. The next prime is 149874189299. The reversal of 149874189289 is 982981478941.

149874189289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 149874189289 - 2¹ = 149874189287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149874189287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 730249 + ... + 912694.

It is an arithmetic number, because the mean of its divisors is an integer number (20439866304).

Almost surely, 2^149874189289 is an apocalyptic number.

It is an amenable number.

149874189289 is a deficient number, since it is larger than the sum of its proper divisors (13644741143).

149874189289 is a wasteful number, since it uses less digits than its factorization.

149874189289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651247.

The product of its digits is 83607552, while the sum is 70.

The spelling of 149874189289 in words is "one hundred forty-nine billion, eight hundred seventy-four million, one hundred eighty-nine thousand, two hundred eighty-nine".