140161272 has 32 divisors (see below), whose sum is σ = 352176000. Its totient is φ = 46484064.

The previous prime is 140161249. The next prime is 140161303. The reversal of 140161272 is 272161041.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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, 9898 + ... + 19449.

It is an arithmetic number, because the mean of its divisors is an integer number (11005500).

Almost surely, 2^140161272 is an apocalyptic number.

140161272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140161272 is an abundant number, since it is smaller than the sum of its proper divisors (212014728).

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

140161272 is a wasteful number, since it uses less digits than its factorization.

140161272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29555 (or 29551 counting only the distinct ones).

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

The square root of 140161272 is about 11838.9725905587. The cubic root of 140161272 is about 519.4487155583.

The spelling of 140161272 in words is "one hundred forty million, one hundred sixty-one thousand, two hundred seventy-two".