201576688134 has 16 divisors (see below), whose sum is σ = 403403957040. Its totient is φ = 67150465920.

The previous prime is 201576688109. The next prime is 201576688153. The reversal of 201576688134 is 431886675102.

201576688134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201576688134² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10430407 + ... + 10449714.

It is an arithmetic number, because the mean of its divisors is an integer number (25212747315).

Almost surely, 2^201576688134 is an apocalyptic number.

201576688134 is an abundant number, since it is smaller than the sum of its proper divisors (201827268906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201576688134 is a wasteful number, since it uses less digits than its factorization.

201576688134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20881735.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 201576688134 in words is "two hundred one billion, five hundred seventy-six million, six hundred eighty-eight thousand, one hundred thirty-four".