148795139 has 4 divisors (see below), whose sum is σ = 150239856. Its totient is φ = 147350424.

The previous prime is 148795111. The next prime is 148795147. The reversal of 148795139 is 931597841.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 148795139 - 2⁸ = 148794883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148795093 and 148795102.

It is not an unprimeable number, because it can be changed into a prime (148795739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722204 + ... + 722409.

It is an arithmetic number, because the mean of its divisors is an integer number (37559964).

Almost surely, 2^148795139 is an apocalyptic number.

148795139 is a deficient number, since it is larger than the sum of its proper divisors (1444717).

148795139 is a wasteful number, since it uses less digits than its factorization.

148795139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444716.

The product of its digits is 272160, while the sum is 47.

The square root of 148795139 is about 12198.1612958675. The cubic root of 148795139 is about 529.9028408585.

The spelling of 148795139 in words is "one hundred forty-eight million, seven hundred ninety-five thousand, one hundred thirty-nine".