140577441 has 4 divisors (see below), whose sum is σ = 187436592. Its totient is φ = 93718292.

The previous prime is 140577439. The next prime is 140577461. The reversal of 140577441 is 144775041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140577441 - 2¹ = 140577439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140577421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23429571 + ... + 23429576.

It is an arithmetic number, because the mean of its divisors is an integer number (46859148).

Almost surely, 2^140577441 is an apocalyptic number.

It is an amenable number.

140577441 is a deficient number, since it is larger than the sum of its proper divisors (46859151).

140577441 is an equidigital number, since it uses as much as digits as its factorization.

140577441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46859150.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 140577441 is about 11856.5357925492. The cubic root of 140577441 is about 519.9623259195.

The spelling of 140577441 in words is "one hundred forty million, five hundred seventy-seven thousand, four hundred forty-one".