146011138 has 32 divisors (see below), whose sum is σ = 271724544. Its totient is φ = 57298752.

The previous prime is 146011133. The next prime is 146011141. The reversal of 146011138 is 831110641.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (146011133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19956 + ... + 26272.

It is an arithmetic number, because the mean of its divisors is an integer number (8491392).

Almost surely, 2^146011138 is an apocalyptic number.

146011138 is a deficient number, since it is larger than the sum of its proper divisors (125713406).

146011138 is a wasteful number, since it uses less digits than its factorization.

146011138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6466.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 146011138 is about 12083.5068585241. The cubic root of 146011138 is about 526.5771325839.

Adding to 146011138 its reverse (831110641), we get a palindrome (977121779).

The spelling of 146011138 in words is "one hundred forty-six million, eleven thousand, one hundred thirty-eight".