196134660390 has 32 divisors (see below), whose sum is σ = 491189412096. Its totient is φ = 50028550880.

The previous prime is 196134660377. The next prime is 196134660427. The reversal of 196134660390 is 93066431691.

It is a congruent number.

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, 142125876 + ... + 142127255.

It is an arithmetic number, because the mean of its divisors is an integer number (15349669128).

Almost surely, 2^196134660390 is an apocalyptic number.

196134660390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196134660390 is an abundant number, since it is smaller than the sum of its proper divisors (295054751706).

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

196134660390 is a wasteful number, since it uses less digits than its factorization.

196134660390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284253164.

The product of its (nonzero) digits is 629856, while the sum is 48.

The spelling of 196134660390 in words is "one hundred ninety-six billion, one hundred thirty-four million, six hundred sixty thousand, three hundred ninety".