84134031 has 8 divisors (see below), whose sum is σ = 115797504. Its totient is φ = 54279960.

The previous prime is 84134027. The next prime is 84134051. The reversal of 84134031 is 13043148.

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

It is not a de Polignac number, because 84134031 - 2² = 84134027 is a prime.

It is a super-2 number, since 2×84134031² = 14157070344617922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84133992 and 84134010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84134021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452241 + ... + 452426.

It is an arithmetic number, because the mean of its divisors is an integer number (14474688).

Almost surely, 2^84134031 is an apocalyptic number.

84134031 is a deficient number, since it is larger than the sum of its proper divisors (31663473).

84134031 is a wasteful number, since it uses less digits than its factorization.

84134031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904701.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 84134031 is about 9172.4604659819. The cubic root of 84134031 is about 438.1847232760.

Adding to 84134031 its reverse (13043148), we get a palindrome (97177179).

The spelling of 84134031 in words is "eighty-four million, one hundred thirty-four thousand, thirty-one".