134729387186 has 4 divisors (see below), whose sum is σ = 202094080782. Its totient is φ = 67364693592.

The previous prime is 134729387161. The next prime is 134729387237. The reversal of 134729387186 is 681783927431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 681783927431 = 1061 ⋅642586171.

It can be written as a sum of positive squares in only one way, i.e., 134729373025 + 14161 = 367055^2 + 119^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33682346795 + ... + 33682346798.

Almost surely, 2^134729387186 is an apocalyptic number.

134729387186 is a deficient number, since it is larger than the sum of its proper divisors (67364693596).

134729387186 is an equidigital number, since it uses as much as digits as its factorization.

134729387186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67364693595.

The product of its digits is 12192768, while the sum is 59.

The spelling of 134729387186 in words is "one hundred thirty-four billion, seven hundred twenty-nine million, three hundred eighty-seven thousand, one hundred eighty-six".