140400350 has 12 divisors (see below), whose sum is σ = 261144744. Its totient is φ = 56160120.

The previous prime is 140400343. The next prime is 140400373. The reversal of 140400350 is 53004041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1403954 + ... + 1404053.

It is an arithmetic number, because the mean of its divisors is an integer number (21762062).

Almost surely, 2^140400350 is an apocalyptic number.

140400350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140400350 is a deficient number, since it is larger than the sum of its proper divisors (120744394).

140400350 is a wasteful number, since it uses less digits than its factorization.

140400350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808019 (or 2808014 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 140400350 is about 11849.0653639855. The cubic root of 140400350 is about 519.7438950898.

Adding to 140400350 its reverse (53004041), we get a palindrome (193404391).

The spelling of 140400350 in words is "one hundred forty million, four hundred thousand, three hundred fifty".