140941998 has 32 divisors (see below), whose sum is σ = 313956000. Its totient is φ = 46867968.

The previous prime is 140941993. The next prime is 140942023. The reversal of 140941998 is 899149041.

140941998 is a `hidden beast` number, since 140 + 9 + 419 + 98 = 666.

140941998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140941993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21340 + ... + 27152.

It is an arithmetic number, because the mean of its divisors is an integer number (9811125).

Almost surely, 2^140941998 is an apocalyptic number.

140941998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

140941998 is an abundant number, since it is smaller than the sum of its proper divisors (173014002).

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

140941998 is a wasteful number, since it uses less digits than its factorization.

140941998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6273 (or 6267 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 140941998 is about 11871.8995110302. The cubic root of 140941998 is about 520.4114076561.

The spelling of 140941998 in words is "one hundred forty million, nine hundred forty-one thousand, nine hundred ninety-eight".