148133689 has 16 divisors (see below), whose sum is σ = 164560896. Its totient is φ = 132224400.

The previous prime is 148133677. The next prime is 148133701. The reversal of 148133689 is 986331841.

148133689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (148133677) and next prime (148133701).

It is not a de Polignac number, because 148133689 - 2⁷ = 148133561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148133659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148984 + ... + 149974.

It is an arithmetic number, because the mean of its divisors is an integer number (10285056).

Almost surely, 2^148133689 is an apocalyptic number.

It is an amenable number.

148133689 is a deficient number, since it is larger than the sum of its proper divisors (16427207).

148133689 is a wasteful number, since it uses less digits than its factorization.

148133689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236.

The product of its digits is 124416, while the sum is 43.

The square root of 148133689 is about 12171.0184043900. The cubic root of 148133689 is about 529.1164690791.

The spelling of 148133689 in words is "one hundred forty-eight million, one hundred thirty-three thousand, six hundred eighty-nine".