148730138 has 16 divisors (see below), whose sum is σ = 235141920. Its totient is φ = 70359696.

The previous prime is 148730129. The next prime is 148730143. The reversal of 148730138 is 831037841.

148730138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 148730098 and 148730107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33920 + ... + 38052.

It is an arithmetic number, because the mean of its divisors is an integer number (14696370).

Almost surely, 2^148730138 is an apocalyptic number.

148730138 is a deficient number, since it is larger than the sum of its proper divisors (86411782).

148730138 is a wasteful number, since it uses less digits than its factorization.

148730138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5101.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 148730138 is about 12195.4966278541. The cubic root of 148730138 is about 529.8256671201.

Adding to 148730138 its reverse (831037841), we get a palindrome (979767979).

The spelling of 148730138 in words is "one hundred forty-eight million, seven hundred thirty thousand, one hundred thirty-eight".