235513142 has 4 divisors (see below), whose sum is σ = 353269716. Its totient is φ = 117756570.

The previous prime is 235513133. The next prime is 235513163. The reversal of 235513142 is 241315532.

It is a happy number.

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

It is a congruent number.

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 as a sum of consecutive naturals, namely, 58878284 + ... + 58878287.

It is an arithmetic number, because the mean of its divisors is an integer number (88317429).

Almost surely, 2^235513142 is an apocalyptic number.

235513142 is a deficient number, since it is larger than the sum of its proper divisors (117756574).

235513142 is a wasteful number, since it uses less digits than its factorization.

235513142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117756573.

The product of its digits is 3600, while the sum is 26.

The square root of 235513142 is about 15346.4374367473. The cubic root of 235513142 is about 617.5494161855.

Adding to 235513142 its reverse (241315532), we get a palindrome (476828674).

The spelling of 235513142 in words is "two hundred thirty-five million, five hundred thirteen thousand, one hundred forty-two".