340404135 has 16 divisors (see below), whose sum is σ = 545097696. Its totient is φ = 181398528.

The previous prime is 340404131. The next prime is 340404139. The reversal of 340404135 is 531404043.

It is an interprime number because it is at equal distance from previous prime (340404131) and next prime (340404139).

It is not a de Polignac number, because 340404135 - 2² = 340404131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340404131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10707 + ... + 28203.

It is an arithmetic number, because the mean of its divisors is an integer number (34068606).

Almost surely, 2^340404135 is an apocalyptic number.

340404135 is a deficient number, since it is larger than the sum of its proper divisors (204693561).

340404135 is a wasteful number, since it uses less digits than its factorization.

340404135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18802.

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

The square root of 340404135 is about 18450.0443088899. The cubic root of 340404135 is about 698.2296317831.

Adding to 340404135 its reverse (531404043), we get a palindrome (871808178).

The spelling of 340404135 in words is "three hundred forty million, four hundred four thousand, one hundred thirty-five".