191132154070 has 64 divisors (see below), whose sum is σ = 409877314560. Its totient is φ = 63252604800.

The previous prime is 191132153981. The next prime is 191132154089. The reversal of 191132154070 is 70451231191.

It is a happy number.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 839730 + ... + 1042789.

It is an arithmetic number, because the mean of its divisors is an integer number (6404333040).

Almost surely, 2^191132154070 is an apocalyptic number.

191132154070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

191132154070 is an abundant number, since it is smaller than the sum of its proper divisors (218745160490).

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

191132154070 is a wasteful number, since it uses less digits than its factorization.

191132154070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882621.

The product of its (nonzero) digits is 7560, while the sum is 34.

The spelling of 191132154070 in words is "one hundred ninety-one billion, one hundred thirty-two million, one hundred fifty-four thousand, seventy".