134399442986 has 36 divisors (see below), whose sum is σ = 218616048162. Its totient is φ = 61914659472.

The previous prime is 134399442973. The next prime is 134399442997. The reversal of 134399442986 is 689244993431.

It can be written as a sum of positive squares in only one way, i.e., 88994225761 + 45405217225 = 298319^2 + 213085^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 59918381 + ... + 59920623.

Almost surely, 2^134399442986 is an apocalyptic number.

134399442986 is a deficient number, since it is larger than the sum of its proper divisors (84216605176).

134399442986 is an frugal number, since it uses more digits than its factorization.

134399442986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4563 (or 2301 counting only the distinct ones).

The product of its digits is 40310784, while the sum is 62.

The spelling of 134399442986 in words is "one hundred thirty-four billion, three hundred ninety-nine million, four hundred forty-two thousand, nine hundred eighty-six".