140402623142 has 8 divisors (see below), whose sum is σ = 210821728656. Its totient is φ = 70128713592.

The previous prime is 140402623133. The next prime is 140402623147. The reversal of 140402623142 is 241326204041.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140402623147) 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, 36296573 + ... + 36300440.

It is an arithmetic number, because the mean of its divisors is an integer number (26352716082).

Almost surely, 2^140402623142 is an apocalyptic number.

140402623142 is a deficient number, since it is larger than the sum of its proper divisors (70419105514).

140402623142 is an equidigital number, since it uses as much as digits as its factorization.

140402623142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72597982.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 140402623142 its reverse (241326204041), we get a palindrome (381728827183).

The spelling of 140402623142 in words is "one hundred forty billion, four hundred two million, six hundred twenty-three thousand, one hundred forty-two".