140521250154 has 16 divisors (see below), whose sum is σ = 283939846848. Its totient is φ = 46357525632.

The previous prime is 140521250131. The next prime is 140521250161. The reversal of 140521250154 is 451052125041.

140521250154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120722142 + ... + 120723305.

It is an arithmetic number, because the mean of its divisors is an integer number (17746240428).

Almost surely, 2^140521250154 is an apocalyptic number.

140521250154 is an abundant number, since it is smaller than the sum of its proper divisors (143418596694).

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

140521250154 is a wasteful number, since it uses less digits than its factorization.

140521250154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241445549.

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 140521250154 its reverse (451052125041), we get a palindrome (591573375195).

The spelling of 140521250154 in words is "one hundred forty billion, five hundred twenty-one million, two hundred fifty thousand, one hundred fifty-four".