140042298 has 16 divisors (see below), whose sum is σ = 305546976. Its totient is φ = 42437040.

The previous prime is 140042297. The next prime is 140042321. The reversal of 140042298 is 892240041.

It is a super-2 number, since 2×140042298² = 39223690458241608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140042297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1060861 + ... + 1060992.

It is an arithmetic number, because the mean of its divisors is an integer number (19096686).

Almost surely, 2^140042298 is an apocalyptic number.

140042298 is an abundant number, since it is smaller than the sum of its proper divisors (165504678).

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

140042298 is a wasteful number, since it uses less digits than its factorization.

140042298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121869.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 140042298 is about 11833.9468479455. The cubic root of 140042298 is about 519.3016982804.

The spelling of 140042298 in words is "one hundred forty million, forty-two thousand, two hundred ninety-eight".