140202046 has 8 divisors (see below), whose sum is σ = 210772800. Its totient is φ = 69944448.

The previous prime is 140202019. The next prime is 140202047. The reversal of 140202046 is 640202041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×140202046² = 39313227405172232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140202047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77166 + ... + 78961.

It is an arithmetic number, because the mean of its divisors is an integer number (26346600).

Almost surely, 2^140202046 is an apocalyptic number.

140202046 is a deficient number, since it is larger than the sum of its proper divisors (70570754).

140202046 is a wasteful number, since it uses less digits than its factorization.

140202046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156578.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 140202046 is about 11840.6944897671. The cubic root of 140202046 is about 519.4990812267.

Adding to 140202046 its reverse (640202041), we get a palindrome (780404087).

The spelling of 140202046 in words is "one hundred forty million, two hundred two thousand, forty-six".