867858134 has 64 divisors (see below), whose sum is σ = 1573447680. Its totient is φ = 353808000.

The previous prime is 867858107. The next prime is 867858137. The reversal of 867858134 is 431858768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867858137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1603904 + ... + 1604444.

It is an arithmetic number, because the mean of its divisors is an integer number (24585120).

Almost surely, 2^867858134 is an apocalyptic number.

867858134 is a deficient number, since it is larger than the sum of its proper divisors (705589546).

867858134 is a wasteful number, since it uses less digits than its factorization.

867858134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717.

The product of its digits is 1290240, while the sum is 50.

The square root of 867858134 is about 29459.4320040289. The cubic root of 867858134 is about 953.8562127728.

The spelling of 867858134 in words is "eight hundred sixty-seven million, eight hundred fifty-eight thousand, one hundred thirty-four".