140198274 has 24 divisors (see below), whose sum is σ = 310227840. Its totient is φ = 45738168.

The previous prime is 140198273. The next prime is 140198293. The reversal of 140198274 is 472891041.

It is not an unprimeable number, because it can be changed into a prime (140198273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82014 + ... + 83705.

It is an arithmetic number, because the mean of its divisors is an integer number (12926160).

Almost surely, 2^140198274 is an apocalyptic number.

140198274 is an abundant number, since it is smaller than the sum of its proper divisors (170029566).

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

140198274 is a wasteful number, since it uses less digits than its factorization.

140198274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165774 (or 165771 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 140198274 is about 11840.5352074980. The cubic root of 140198274 is about 519.4944223120.

The spelling of 140198274 in words is "one hundred forty million, one hundred ninety-eight thousand, two hundred seventy-four".