140156472 has 32 divisors (see below), whose sum is σ = 351388800. Its totient is φ = 46585824.

The previous prime is 140156461. The next prime is 140156477. The reversal of 140156472 is 274651041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140156477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483 + ... + 16749.

It is an arithmetic number, because the mean of its divisors is an integer number (10980900).

Almost surely, 2^140156472 is an apocalyptic number.

140156472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140156472 is an abundant number, since it is smaller than the sum of its proper divisors (211232328).

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

140156472 is a wasteful number, since it uses less digits than its factorization.

140156472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16635 (or 16631 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 140156472 is about 11838.7698685294. The cubic root of 140156472 is about 519.4427857645.

The spelling of 140156472 in words is "one hundred forty million, one hundred fifty-six thousand, four hundred seventy-two".