420134414 has 32 divisors (see below), whose sum is σ = 727626240. Its totient is φ = 178220448.

The previous prime is 420134411. The next prime is 420134417. The reversal of 420134414 is 414431024.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (420134411) and next prime (420134417).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 420134414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420134411) 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, 956807 + ... + 957245.

It is an arithmetic number, because the mean of its divisors is an integer number (22738320).

Almost surely, 2^420134414 is an apocalyptic number.

420134414 is a deficient number, since it is larger than the sum of its proper divisors (307491826).

420134414 is a wasteful number, since it uses less digits than its factorization.

420134414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 420134414 is about 20497.1806353947. The cubic root of 420134414 is about 748.9671198274.

Adding to 420134414 its reverse (414431024), we get a palindrome (834565438).

The spelling of 420134414 in words is "four hundred twenty million, one hundred thirty-four thousand, four hundred fourteen".