49082138 has 16 divisors (see below), whose sum is σ = 87799680. Its totient is φ = 20120496.

The previous prime is 49082129. The next prime is 49082141. The reversal of 49082138 is 83128094.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 49082098 and 49082107.

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, 75893 + ... + 76536.

It is an arithmetic number, because the mean of its divisors is an integer number (5487480).

Almost surely, 2^49082138 is an apocalyptic number.

49082138 is a deficient number, since it is larger than the sum of its proper divisors (38717542).

49082138 is a wasteful number, since it uses less digits than its factorization.

49082138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152461.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 49082138 is about 7005.8645433665. The cubic root of 49082138 is about 366.1349249225.

It can be divided in two parts, 490 and 82138, that added together give a palindrome (82628).

The spelling of 49082138 in words is "forty-nine million, eighty-two thousand, one hundred thirty-eight".