207104140 has 24 divisors (see below), whose sum is σ = 438772320. Its totient is φ = 82107648.

The previous prime is 207104129. The next prime is 207104153. The reversal of 207104140 is 41401702.

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, 43560 + ... + 48079.

It is an arithmetic number, because the mean of its divisors is an integer number (18282180).

Almost surely, 2^207104140 is an apocalyptic number.

207104140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

207104140 is an abundant number, since it is smaller than the sum of its proper divisors (231668180).

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

207104140 is a wasteful number, since it uses less digits than its factorization.

207104140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91761 (or 91759 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 207104140 is about 14391.1132300458. The cubic root of 207104140 is about 591.6473543477.

Adding to 207104140 its reverse (41401702), we get a palindrome (248505842).

The spelling of 207104140 in words is "two hundred seven million, one hundred four thousand, one hundred forty".