149261276268 has 144 divisors (see below), whose sum is σ = 413285090400. Its totient is φ = 45145976832.

The previous prime is 149261276257. The next prime is 149261276303. The reversal of 149261276268 is 862672162941.

149261276268 is a `hidden beast` number, since 1 + 4 + 9 + 2 + 6 + 1 + 2 + 7 + 626 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6752971 + ... + 6775037.

It is an arithmetic number, because the mean of its divisors is an integer number (2870035350).

Almost surely, 2^149261276268 is an apocalyptic number.

149261276268 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149261276268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206642545200).

149261276268 is an abundant number, since it is smaller than the sum of its proper divisors (264023814132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149261276268 is a wasteful number, since it uses less digits than its factorization.

149261276268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22336 (or 22331 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The spelling of 149261276268 in words is "one hundred forty-nine billion, two hundred sixty-one million, two hundred seventy-six thousand, two hundred sixty-eight".