140557067 has 16 divisors (see below), whose sum is σ = 166712832. Its totient is φ = 116000640.

The previous prime is 140557063. The next prime is 140557093. The reversal of 140557067 is 760755041.

It is not a de Polignac number, because 140557067 - 2² = 140557063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140557063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18083 + ... + 24659.

It is an arithmetic number, because the mean of its divisors is an integer number (10419552).

Almost surely, 2^140557067 is an apocalyptic number.

140557067 is a deficient number, since it is larger than the sum of its proper divisors (26155765).

140557067 is an equidigital number, since it uses as much as digits as its factorization.

140557067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6698.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 140557067 is about 11855.6765728490. The cubic root of 140557067 is about 519.9372051885.

The spelling of 140557067 in words is "one hundred forty million, five hundred fifty-seven thousand, sixty-seven".