64135234 has 8 divisors (see below), whose sum is σ = 98549388. Its totient is φ = 31285440.

The previous prime is 64135219. The next prime is 64135243. The reversal of 64135234 is 43253146.

It can be written as a sum of positive squares in 2 ways, for example, as 59059225 + 5076009 = 7685^2 + 2253^2 .

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

It is a super-2 number, since 2×64135234² = 8226656480469512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390987 + ... + 391150.

Almost surely, 2^64135234 is an apocalyptic number.

64135234 is a deficient number, since it is larger than the sum of its proper divisors (34414154).

64135234 is a wasteful number, since it uses less digits than its factorization.

64135234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782180.

The product of its digits is 8640, while the sum is 28.

The square root of 64135234 is about 8008.4476648100. The cubic root of 64135234 is about 400.2815392926.

The spelling of 64135234 in words is "sixty-four million, one hundred thirty-five thousand, two hundred thirty-four".