140549003649 has 24 divisors (see below), whose sum is σ = 203691170280. Its totient is φ = 93387748608.

The previous prime is 140549003591. The next prime is 140549003657. The reversal of 140549003649 is 946300945041.

140549003649 is a `hidden beast` number, since 1 + 40 + 549 + 0 + 0 + 3 + 64 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 10367312400 + 130181691249 = 101820^2 + 360807^2 .

It is not a de Polignac number, because 140549003649 - 2⁷ = 140549003521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140549003659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4590339 + ... + 4620855.

It is an arithmetic number, because the mean of its divisors is an integer number (8487132095).

Almost surely, 2^140549003649 is an apocalyptic number.

It is an amenable number.

140549003649 is a deficient number, since it is larger than the sum of its proper divisors (63142166631).

140549003649 is a wasteful number, since it uses less digits than its factorization.

140549003649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32209 (or 32206 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 140549003649 in words is "one hundred forty billion, five hundred forty-nine million, three thousand, six hundred forty-nine".