193207140 has 192 divisors, whose sum is σ = 696729600. Its totient is φ = 43535232.

The previous prime is 193207103. The next prime is 193207141. The reversal of 193207140 is 41702391.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (193207141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 298297 + ... + 298943.

It is an arithmetic number, because the mean of its divisors is an integer number (3628800).

Almost surely, 2^193207140 is an apocalyptic number.

193207140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 193207140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348364800).

193207140 is an abundant number, since it is smaller than the sum of its proper divisors (503522460).

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

193207140 is a wasteful number, since it uses less digits than its factorization.

193207140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 193207140 is about 13899.8971219214. The cubic root of 193207140 is about 578.1063289417.

The spelling of 193207140 in words is "one hundred ninety-three million, two hundred seven thousand, one hundred forty".