65134534 has 16 divisors (see below), whose sum is σ = 101053440. Its totient is φ = 31454280.

The previous prime is 65134523. The next prime is 65134543. The reversal of 65134534 is 43543156.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 65134496 and 65134505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52647 + ... + 53869.

It is an arithmetic number, because the mean of its divisors is an integer number (6315840).

Almost surely, 2^65134534 is an apocalyptic number.

65134534 is a deficient number, since it is larger than the sum of its proper divisors (35918906).

65134534 is a wasteful number, since it uses less digits than its factorization.

65134534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115.

The product of its digits is 21600, while the sum is 31.

The square root of 65134534 is about 8070.5968800331. The cubic root of 65134534 is about 402.3497817842.

The spelling of 65134534 in words is "sixty-five million, one hundred thirty-four thousand, five hundred thirty-four".