85707134 has 4 divisors (see below), whose sum is σ = 128560704. Its totient is φ = 42853566.

The previous prime is 85707121. The next prime is 85707173. The reversal of 85707134 is 43170758.

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

It is a junction number, because it is equal to n+sod(n) for n = 85707094 and 85707103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21426782 + ... + 21426785.

It is an arithmetic number, because the mean of its divisors is an integer number (32140176).

Almost surely, 2^85707134 is an apocalyptic number.

85707134 is a deficient number, since it is larger than the sum of its proper divisors (42853570).

85707134 is a wasteful number, since it uses less digits than its factorization.

85707134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42853569.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 85707134 is about 9257.8147529533. The cubic root of 85707134 is about 440.8988752487.

The spelling of 85707134 in words is "eighty-five million, seven hundred seven thousand, one hundred thirty-four".