235142534 has 16 divisors (see below), whose sum is σ = 385272720. Its totient is φ = 106745760.

The previous prime is 235142519. The next prime is 235142543. The reversal of 235142534 is 435241532.

It is a happy number.

It is a super-2 number, since 2×235142534² = 110584022591882312, which contains 22 as substring.

It is a Curzon number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 235142497 and 235142506.

It is a congruent number.

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, 11792 + ... + 24684.

It is an arithmetic number, because the mean of its divisors is an integer number (24079545).

Almost surely, 2^235142534 is an apocalyptic number.

235142534 is a deficient number, since it is larger than the sum of its proper divisors (150130186).

235142534 is a wasteful number, since it uses less digits than its factorization.

235142534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13735.

The product of its digits is 14400, while the sum is 29.

The square root of 235142534 is about 15334.3579585192. The cubic root of 235142534 is about 617.2253169188.

The spelling of 235142534 in words is "two hundred thirty-five million, one hundred forty-two thousand, five hundred thirty-four".