140550438 has 32 divisors (see below), whose sum is σ = 322907904. Its totient is φ = 39951072.

The previous prime is 140550427. The next prime is 140550463. The reversal of 140550438 is 834055041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220 + ... + 16767.

It is an arithmetic number, because the mean of its divisors is an integer number (10090872).

Almost surely, 2^140550438 is an apocalyptic number.

140550438 is an abundant number, since it is smaller than the sum of its proper divisors (182357466).

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

140550438 is a wasteful number, since it uses less digits than its factorization.

140550438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17196.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 140550438 is about 11855.3969988356. The cubic root of 140550438 is about 519.9290312418.

The spelling of 140550438 in words is "one hundred forty million, five hundred fifty thousand, four hundred thirty-eight".