140181441 has 8 divisors (see below), whose sum is σ = 187075584. Its totient is φ = 93370800.

The previous prime is 140181409. The next prime is 140181451. The reversal of 140181441 is 144181041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140181441 - 2⁵ = 140181409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140181451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16846 + ... + 23751.

It is an arithmetic number, because the mean of its divisors is an integer number (23384448).

Almost surely, 2^140181441 is an apocalyptic number.

It is an amenable number.

140181441 is a deficient number, since it is larger than the sum of its proper divisors (46894143).

140181441 is a wasteful number, since it uses less digits than its factorization.

140181441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41751.

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 140181441 is about 11839.8243652514. The cubic root of 140181441 is about 519.4736303309.

The spelling of 140181441 in words is "one hundred forty million, one hundred eighty-one thousand, four hundred forty-one".