4906240138 has 4 divisors (see below), whose sum is σ = 7359360210. Its totient is φ = 2453120068.

The previous prime is 4906240133. The next prime is 4906240151. The reversal of 4906240138 is 8310426094.

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

It can be written as a sum of positive squares in only one way, i.e., 2707849369 + 2198390769 = 52037^2 + 46887^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4906240097 and 4906240106.

It is not an unprimeable number, because it can be changed into a prime (4906240133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1226560033 + ... + 1226560036.

Almost surely, 2^4906240138 is an apocalyptic number.

4906240138 is a deficient number, since it is larger than the sum of its proper divisors (2453120072).

4906240138 is a wasteful number, since it uses less digits than its factorization.

4906240138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2453120071.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 4906240138 is about 70044.5582325993. The cubic root of 4906240138 is about 1699.2199579354.

The spelling of 4906240138 in words is "four billion, nine hundred six million, two hundred forty thousand, one hundred thirty-eight".