148038939 has 24 divisors (see below), whose sum is σ = 222168960. Its totient is φ = 94875648.

The previous prime is 148038929. The next prime is 148038973. The reversal of 148038939 is 939830841.

148038939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 148038939 - 2⁴ = 148038923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 148038894 and 148038903.

It is not an unprimeable number, because it can be changed into a prime (148038929) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65974 + ... + 68180.

It is an arithmetic number, because the mean of its divisors is an integer number (9257040).

Almost surely, 2^148038939 is an apocalyptic number.

148038939 is a deficient number, since it is larger than the sum of its proper divisors (74130021).

148038939 is a wasteful number, since it uses less digits than its factorization.

148038939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499 (or 2496 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 148038939 is about 12167.1253383862. The cubic root of 148038939 is about 529.0036329905.

The spelling of 148038939 in words is "one hundred forty-eight million, thirty-eight thousand, nine hundred thirty-nine".