146231135 has 8 divisors (see below), whose sum is σ = 176265600. Its totient is φ = 116459424.

The previous prime is 146231131. The next prime is 146231159. The reversal of 146231135 is 531132641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 146231135 - 2² = 146231131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146231131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64460 + ... + 66689.

It is an arithmetic number, because the mean of its divisors is an integer number (22033200).

Almost surely, 2^146231135 is an apocalyptic number.

146231135 is a deficient number, since it is larger than the sum of its proper divisors (30034465).

146231135 is a wasteful number, since it uses less digits than its factorization.

146231135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131377.

The product of its digits is 2160, while the sum is 26.

The square root of 146231135 is about 12092.6066255378. The cubic root of 146231135 is about 526.8414668845.

Adding to 146231135 its reverse (531132641), we get a palindrome (677363776).

The spelling of 146231135 in words is "one hundred forty-six million, two hundred thirty-one thousand, one hundred thirty-five".