148966139 has 8 divisors (see below), whose sum is σ = 170392320. Its totient is φ = 127576296.

The previous prime is 148966133. The next prime is 148966141. The reversal of 148966139 is 931669841.

148966139 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 148966139 - 2¹² = 148962043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 148966093 and 148966102.

It is not an unprimeable number, because it can be changed into a prime (148966133) 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, 362 + ... + 17264.

It is an arithmetic number, because the mean of its divisors is an integer number (21299040).

Almost surely, 2^148966139 is an apocalyptic number.

148966139 is a deficient number, since it is larger than the sum of its proper divisors (21426181).

148966139 is a wasteful number, since it uses less digits than its factorization.

148966139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18169.

The product of its digits is 279936, while the sum is 47.

The square root of 148966139 is about 12205.1685363210. The cubic root of 148966139 is about 530.1057567527.

The spelling of 148966139 in words is "one hundred forty-eight million, nine hundred sixty-six thousand, one hundred thirty-nine".