140542722 has 32 divisors (see below), whose sum is σ = 312759360. Its totient is φ = 46781280.

The previous prime is 140542693. The next prime is 140542799. The reversal of 140542722 is 227245041.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50097 + ... + 52827.

It is an arithmetic number, because the mean of its divisors is an integer number (9773730).

Almost surely, 2^140542722 is an apocalyptic number.

140542722 is an abundant number, since it is smaller than the sum of its proper divisors (172216638).

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

140542722 is a wasteful number, since it uses less digits than its factorization.

140542722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3695 (or 3689 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 140542722 is about 11855.0715729598. The cubic root of 140542722 is about 519.9195166365.

Adding to 140542722 its reverse (227245041), we get a palindrome (367787763).

The spelling of 140542722 in words is "one hundred forty million, five hundred forty-two thousand, seven hundred twenty-two".