240345134 has 4 divisors (see below), whose sum is σ = 360517704. Its totient is φ = 120172566.

The previous prime is 240345113. The next prime is 240345137. The reversal of 240345134 is 431543042.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240345137) by changing a digit.

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, 60086282 + ... + 60086285.

It is an arithmetic number, because the mean of its divisors is an integer number (90129426).

Almost surely, 2^240345134 is an apocalyptic number.

240345134 is a deficient number, since it is larger than the sum of its proper divisors (120172570).

240345134 is a wasteful number, since it uses less digits than its factorization.

240345134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120172569.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 240345134 is about 15503.0685349707. The cubic root of 240345134 is about 621.7442506159.

Adding to 240345134 its reverse (431543042), we get a palindrome (671888176).

The spelling of 240345134 in words is "two hundred forty million, three hundred forty-five thousand, one hundred thirty-four".