84134715 has 48 divisors (see below), whose sum is σ = 158135328. Its totient is φ = 38083584.

The previous prime is 84134711. The next prime is 84134719. The reversal of 84134715 is 51743148.

It is an interprime number because it is at equal distance from previous prime (84134711) and next prime (84134719).

It is not a de Polignac number, because 84134715 - 2² = 84134711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84134711) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82549 + ... + 83561.

It is an arithmetic number, because the mean of its divisors is an integer number (3294486).

Almost surely, 2^84134715 is an apocalyptic number.

84134715 is a deficient number, since it is larger than the sum of its proper divisors (74000613).

84134715 is a wasteful number, since it uses less digits than its factorization.

84134715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148 (or 1141 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 84134715 is about 9172.4977514306. The cubic root of 84134715 is about 438.1859107366.

The spelling of 84134715 in words is "eighty-four million, one hundred thirty-four thousand, seven hundred fifteen".