84148534 has 4 divisors (see below), whose sum is σ = 126222804. Its totient is φ = 42074266.

The previous prime is 84148531. The next prime is 84148553. The reversal of 84148534 is 43584148.

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 = 84148493 and 84148502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84148531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21037132 + ... + 21037135.

It is an arithmetic number, because the mean of its divisors is an integer number (31555701).

Almost surely, 2^84148534 is an apocalyptic number.

84148534 is a deficient number, since it is larger than the sum of its proper divisors (42074270).

84148534 is a wasteful number, since it uses less digits than its factorization.

84148534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42074269.

The product of its digits is 61440, while the sum is 37.

The square root of 84148534 is about 9173.2510049600. The cubic root of 84148534 is about 438.2098998815.

The spelling of 84148534 in words is "eighty-four million, one hundred forty-eight thousand, five hundred thirty-four".