134507131985 has 16 divisors (see below), whose sum is σ = 167839557840. Its totient is φ = 103356825600.

The previous prime is 134507131973. The next prime is 134507131999. The reversal of 134507131985 is 589131705431.

It can be written as a sum of positive squares in 8 ways, for example, as 9923546689 + 124583585296 = 99617^2 + 352964^2 .

It is not a de Polignac number, because 134507131985 - 2¹⁴ = 134507115601 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2375216 + ... + 2431185.

It is an arithmetic number, because the mean of its divisors is an integer number (10489972365).

Almost surely, 2^134507131985 is an apocalyptic number.

It is an amenable number.

134507131985 is a deficient number, since it is larger than the sum of its proper divisors (33332425855).

134507131985 is a wasteful number, since it uses less digits than its factorization.

134507131985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4806628.

The product of its (nonzero) digits is 453600, while the sum is 47.

The spelling of 134507131985 in words is "one hundred thirty-four billion, five hundred seven million, one hundred thirty-one thousand, nine hundred eighty-five".