13451440149 has 64 divisors (see below), whose sum is σ = 23217868800. Its totient is φ = 7537696704.

The previous prime is 13451440081. The next prime is 13451440157. The reversal of 13451440149 is 94104415431.

13451440149 is a `hidden beast` number, since 134 + 514 + 4 + 0 + 1 + 4 + 9 = 666.

It is not a de Polignac number, because 13451440149 - 2¹⁵ = 13451407381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13451440549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5429299 + ... + 5431775.

It is an arithmetic number, because the mean of its divisors is an integer number (362779200).

Almost surely, 2^13451440149 is an apocalyptic number.

It is an amenable number.

13451440149 is a deficient number, since it is larger than the sum of its proper divisors (9766428651).

13451440149 is a wasteful number, since it uses less digits than its factorization.

13451440149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3039 (or 3033 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 13451440149 in words is "thirteen billion, four hundred fifty-one million, four hundred forty thousand, one hundred forty-nine".