64920134 has 8 divisors (see below), whose sum is σ = 97420440. Its totient is φ = 32446656.

The previous prime is 64920133. The next prime is 64920137. The reversal of 64920134 is 43102946.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 64920097 and 64920106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64920133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1217 + ... + 11459.

It is an arithmetic number, because the mean of its divisors is an integer number (12177555).

Almost surely, 2^64920134 is an apocalyptic number.

64920134 is a deficient number, since it is larger than the sum of its proper divisors (32500306).

64920134 is a wasteful number, since it uses less digits than its factorization.

64920134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13414.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 64920134 is about 8057.3031468352. The cubic root of 64920134 is about 401.9078318108.

The spelling of 64920134 in words is "sixty-four million, nine hundred twenty thousand, one hundred thirty-four".