197254140 has 48 divisors (see below), whose sum is σ = 553156128. Its totient is φ = 52520704.

The previous prime is 197254133. The next prime is 197254153. The reversal of 197254140 is 41452791.

It is a happy number.

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, 44254 + ... + 48506.

It is an arithmetic number, because the mean of its divisors is an integer number (11524086).

Almost surely, 2^197254140 is an apocalyptic number.

197254140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197254140 is an abundant number, since it is smaller than the sum of its proper divisors (355901988).

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

197254140 is a wasteful number, since it uses less digits than its factorization.

197254140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5038 (or 5036 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 197254140 is about 14044.7192923177. The cubic root of 197254140 is about 582.1148909352.

The spelling of 197254140 in words is "one hundred ninety-seven million, two hundred fifty-four thousand, one hundred forty".