86134142 has 4 divisors (see below), whose sum is σ = 129201216. Its totient is φ = 43067070.

The previous prime is 86134141. The next prime is 86134171. The reversal of 86134142 is 24143168.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86134141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21533534 + ... + 21533537.

It is an arithmetic number, because the mean of its divisors is an integer number (32300304).

Almost surely, 2^86134142 is an apocalyptic number.

86134142 is a deficient number, since it is larger than the sum of its proper divisors (43067074).

86134142 is a wasteful number, since it uses less digits than its factorization.

86134142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43067073.

The product of its digits is 4608, while the sum is 29.

The square root of 86134142 is about 9280.8481293468. The cubic root of 86134142 is about 441.6298744875.

The spelling of 86134142 in words is "eighty-six million, one hundred thirty-four thousand, one hundred forty-two".