140606561446 has 16 divisors (see below), whose sum is σ = 227142348048. Its totient is φ = 64892858400.

The previous prime is 140606561443. The next prime is 140606561453. The reversal of 140606561446 is 644165606041.

It is a happy number.

It is a super-2 number, since 2×140606561446² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140606561443) 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, 712461 + ... + 888151.

It is an arithmetic number, because the mean of its divisors is an integer number (14196396753).

Almost surely, 2^140606561446 is an apocalyptic number.

140606561446 is a deficient number, since it is larger than the sum of its proper divisors (86535786602).

140606561446 is a wasteful number, since it uses less digits than its factorization.

140606561446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206487.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 140606561446 in words is "one hundred forty billion, six hundred six million, five hundred sixty-one thousand, four hundred forty-six".