140461172 has 6 divisors (see below), whose sum is σ = 245807058. Its totient is φ = 70230584.

The previous prime is 140461163. The next prime is 140461193. The reversal of 140461172 is 271164041.

It can be written as a sum of positive squares in only one way, i.e., 126652516 + 13808656 = 11254^2 + 3716^2 .

It is a super-2 number, since 2×140461172² = 39458681679227168, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 17557643 + ... + 17557650.

It is an arithmetic number, because the mean of its divisors is an integer number (40967843).

Almost surely, 2^140461172 is an apocalyptic number.

It is an amenable number.

140461172 is a deficient number, since it is larger than the sum of its proper divisors (105345886).

140461172 is a wasteful number, since it uses less digits than its factorization.

140461172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35115297 (or 35115295 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 140461172 is about 11851.6316176297. The cubic root of 140461172 is about 519.8189359746.

The spelling of 140461172 in words is "one hundred forty million, four hundred sixty-one thousand, one hundred seventy-two".