140521223412198 has 48 divisors (see below), whose sum is σ = 323694499920480. Its totient is φ = 43958512321152.

The previous prime is 140521223412197. The next prime is 140521223412293. The reversal of 140521223412198 is 891214322125041.

140521223412198 is a `hidden beast` number, since 1 + 4 + 0 + 5 + 2 + 1 + 223 + 412 + 1 + 9 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140521223412191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3202084143 + ... + 3202128026.

It is an arithmetic number, because the mean of its divisors is an integer number (6743635415010).

Almost surely, 2^{140521223412198} is an apocalyptic number.

140521223412198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

140521223412198 is an abundant number, since it is smaller than the sum of its proper divisors (183173276508282).

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

140521223412198 is a wasteful number, since it uses less digits than its factorization.

140521223412198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6404212253 (or 6404212250 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 140521223412198 in words is "one hundred forty trillion, five hundred twenty-one billion, two hundred twenty-three million, four hundred twelve thousand, one hundred ninety-eight".