402136414 has 16 divisors (see below), whose sum is σ = 614584800. Its totient is φ = 197303040.

The previous prime is 402136409. The next prime is 402136421. The reversal of 402136414 is 414631204.

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, 22134 + ... + 35974.

It is an arithmetic number, because the mean of its divisors is an integer number (38411550).

Almost surely, 2^402136414 is an apocalyptic number.

402136414 is a deficient number, since it is larger than the sum of its proper divisors (212448386).

402136414 is a wasteful number, since it uses less digits than its factorization.

402136414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14115.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 402136414 is about 20053.3392231818. The cubic root of 402136414 is about 738.1157406428.

Adding to 402136414 its reverse (414631204), we get a palindrome (816767618).

The spelling of 402136414 in words is "four hundred two million, one hundred thirty-six thousand, four hundred fourteen".