193670140 has 24 divisors (see below), whose sum is σ = 407216880. Its totient is φ = 77371008.

The previous prime is 193670131. The next prime is 193670161. The reversal of 193670140 is 41076391.

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 7 ways as a sum of consecutive naturals, for example, 11544 + ... + 22816.

It is an arithmetic number, because the mean of its divisors is an integer number (16967370).

Almost surely, 2^193670140 is an apocalyptic number.

193670140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

193670140 is an abundant number, since it is smaller than the sum of its proper divisors (213546740).

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

193670140 is a wasteful number, since it uses less digits than its factorization.

193670140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12141 (or 12139 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 193670140 is about 13916.5419555290. The cubic root of 193670140 is about 578.5677503050.

The spelling of 193670140 in words is "one hundred ninety-three million, six hundred seventy thousand, one hundred forty".