140102042 has 8 divisors (see below), whose sum is σ = 212193696. Its totient is φ = 69370812.

The previous prime is 140102023. The next prime is 140102057. The reversal of 140102042 is 240201041.

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

It is a super-3 number, since 3×140102042³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

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, 339848 + ... + 340259.

It is an arithmetic number, because the mean of its divisors is an integer number (26524212).

Almost surely, 2^140102042 is an apocalyptic number.

140102042 is a deficient number, since it is larger than the sum of its proper divisors (72091654).

140102042 is a wasteful number, since it uses less digits than its factorization.

140102042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680212.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 140102042 is about 11836.4708422739. The cubic root of 140102042 is about 519.3755349003.

Adding to 140102042 its reverse (240201041), we get a palindrome (380303083).

The spelling of 140102042 in words is "one hundred forty million, one hundred two thousand, forty-two".