140121762 has 32 divisors (see below), whose sum is σ = 309415680. Its totient is φ = 41947920.

The previous prime is 140121757. The next prime is 140121763. The reversal of 140121762 is 267121041.

It is not an unprimeable number, because it can be changed into a prime (140121763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7312 + ... + 18267.

It is an arithmetic number, because the mean of its divisors is an integer number (9669240).

Almost surely, 2^140121762 is an apocalyptic number.

140121762 is an abundant number, since it is smaller than the sum of its proper divisors (169293918).

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

140121762 is a wasteful number, since it uses less digits than its factorization.

140121762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25678.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 140121762 is about 11837.3038315319. The cubic root of 140121762 is about 519.3999019138.

The spelling of 140121762 in words is "one hundred forty million, one hundred twenty-one thousand, seven hundred sixty-two".