91197500134 has 8 divisors (see below), whose sum is σ = 147319038720. Its totient is φ = 42091153896.

The previous prime is 91197500131. The next prime is 91197500153. The reversal of 91197500134 is 43100579119.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91197500131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1753798054 + ... + 1753798105.

It is an arithmetic number, because the mean of its divisors is an integer number (18414879840).

Almost surely, 2^91197500134 is an apocalyptic number.

91197500134 is a deficient number, since it is larger than the sum of its proper divisors (56121538586).

91197500134 is a wasteful number, since it uses less digits than its factorization.

91197500134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3507596174.

The product of its (nonzero) digits is 34020, while the sum is 40.

The spelling of 91197500134 in words is "ninety-one billion, one hundred ninety-seven million, five hundred thousand, one hundred thirty-four".