140061672 has 24 divisors (see below), whose sum is σ = 379333890. Its totient is φ = 46687200.

The previous prime is 140061577. The next prime is 140061721. The reversal of 140061672 is 276160041.

140061672 is a `hidden beast` number, since 1 + 40 + 0 + 616 + 7 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 128731716 + 11329956 = 11346^2 + 3366^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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 5 ways as a sum of consecutive naturals, for example, 972579 + ... + 972722.

Almost surely, 2^140061672 is an apocalyptic number.

140061672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140061672 is an abundant number, since it is smaller than the sum of its proper divisors (239272218).

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

140061672 is a wasteful number, since it uses less digits than its factorization.

140061672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945313 (or 1945306 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 140061672 is about 11834.7653969143. The cubic root of 140061672 is about 519.3256445864.

The spelling of 140061672 in words is "one hundred forty million, sixty-one thousand, six hundred seventy-two".