197928132535 has 8 divisors (see below), whose sum is σ = 271444296096. Its totient is φ = 135722148000.

The previous prime is 197928132529. The next prime is 197928132541. The reversal of 197928132535 is 535231829791.

It is an interprime number because it is at equal distance from previous prime (197928132529) and next prime (197928132541).

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

It is not a de Polignac number, because 197928132535 - 2⁷ = 197928132407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2827544716 + ... + 2827544785.

It is an arithmetic number, because the mean of its divisors is an integer number (33930537012).

Almost surely, 2^197928132535 is an apocalyptic number.

197928132535 is a deficient number, since it is larger than the sum of its proper divisors (73516163561).

197928132535 is an equidigital number, since it uses as much as digits as its factorization.

197928132535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5655089513.

The product of its digits is 4082400, while the sum is 55.

The spelling of 197928132535 in words is "one hundred ninety-seven billion, nine hundred twenty-eight million, one hundred thirty-two thousand, five hundred thirty-five".