340440135 has 64 divisors (see below), whose sum is σ = 672122880. Its totient is φ = 143700480.

The previous prime is 340440131. The next prime is 340440143. The reversal of 340440135 is 531044043.

It is not a de Polignac number, because 340440135 - 2² = 340440131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340440131) 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 in 63 ways as a sum of consecutive naturals, for example, 67605 + ... + 72465.

It is an arithmetic number, because the mean of its divisors is an integer number (10501920).

Almost surely, 2^340440135 is an apocalyptic number.

340440135 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

340440135 is a deficient number, since it is larger than the sum of its proper divisors (331682745).

340440135 is a wasteful number, since it uses less digits than its factorization.

340440135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4928.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 340440135 is about 18451.0198905101. The cubic root of 340440135 is about 698.2542450570.

Adding to 340440135 its reverse (531044043), we get a palindrome (871484178).

The spelling of 340440135 in words is "three hundred forty million, four hundred forty thousand, one hundred thirty-five".