63402134 has 4 divisors (see below), whose sum is σ = 95103204. Its totient is φ = 31701066.

The previous prime is 63402133. The next prime is 63402187. The reversal of 63402134 is 43120436.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63402133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15850532 + ... + 15850535.

It is an arithmetic number, because the mean of its divisors is an integer number (23775801).

Almost surely, 2^63402134 is an apocalyptic number.

63402134 is a deficient number, since it is larger than the sum of its proper divisors (31701070).

63402134 is a wasteful number, since it uses less digits than its factorization.

63402134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31701069.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 63402134 is about 7962.5456984560. The cubic root of 63402134 is about 398.7505470654.

It can be divided in two parts, 63402 and 134, that added together give a palindrome (63536).

The spelling of 63402134 in words is "sixty-three million, four hundred two thousand, one hundred thirty-four".