140521054 has 8 divisors (see below), whose sum is σ = 211096800. Its totient is φ = 70155456.

The previous prime is 140521049. The next prime is 140521061. The reversal of 140521054 is 450125041.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50854 + ... + 53545.

It is an arithmetic number, because the mean of its divisors is an integer number (26387100).

Almost surely, 2^140521054 is an apocalyptic number.

140521054 is a deficient number, since it is larger than the sum of its proper divisors (70575746).

140521054 is a wasteful number, since it uses less digits than its factorization.

140521054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105074.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 140521054 is about 11854.1576672491. The cubic root of 140521054 is about 519.8927959475.

Adding to 140521054 its reverse (450125041), we get a palindrome (590646095).

The spelling of 140521054 in words is "one hundred forty million, five hundred twenty-one thousand, fifty-four".