140622671 has 16 divisors (see below), whose sum is σ = 163588608. Its totient is φ = 118389600.

The previous prime is 140622659. The next prime is 140622679. The reversal of 140622671 is 176226041.

It is a de Polignac number, because none of the positive numbers 2^k-140622671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140622679) 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, 259661 + ... + 260201.

It is an arithmetic number, because the mean of its divisors is an integer number (10224288).

Almost surely, 2^140622671 is an apocalyptic number.

140622671 is a deficient number, since it is larger than the sum of its proper divisors (22965937).

140622671 is an equidigital number, since it uses as much as digits as its factorization.

140622671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 140622671 is about 11858.4430259626. The cubic root of 140622671 is about 520.0180849233.

The spelling of 140622671 in words is "one hundred forty million, six hundred twenty-two thousand, six hundred seventy-one".