146336138 has 48 divisors (see below), whose sum is σ = 257722080. Its totient is φ = 61744032.

The previous prime is 146336123. The next prime is 146336149. The reversal of 146336138 is 831633641.

Its product of digits (31104) is a multiple of the sum of its prime factors (243).

It is a junction number, because it is equal to n+sod(n) for n = 146336098 and 146336107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1763045 + ... + 1763127.

It is an arithmetic number, because the mean of its divisors is an integer number (5369210).

Almost surely, 2^146336138 is an apocalyptic number.

146336138 is a deficient number, since it is larger than the sum of its proper divisors (111385942).

146336138 is a wasteful number, since it uses less digits than its factorization.

146336138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 160 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The square root of 146336138 is about 12096.9474661999. The cubic root of 146336138 is about 526.9675383006.

Adding to 146336138 its reverse (831633641), we get a palindrome (977969779).

The spelling of 146336138 in words is "one hundred forty-six million, three hundred thirty-six thousand, one hundred thirty-eight".