149132769771 has 16 divisors (see below), whose sum is σ = 199226611584. Its totient is φ = 99230464704.

The previous prime is 149132769767. The next prime is 149132769817. The reversal of 149132769771 is 177967231941.

149132769771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149132769771 - 2² = 149132769767 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149132769271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13242375 + ... + 13253631.

It is an arithmetic number, because the mean of its divisors is an integer number (12451663224).

Almost surely, 2^149132769771 is an apocalyptic number.

149132769771 is a deficient number, since it is larger than the sum of its proper divisors (50093841813).

149132769771 is a wasteful number, since it uses less digits than its factorization.

149132769771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19370.

The product of its digits is 4000752, while the sum is 57.

The spelling of 149132769771 in words is "one hundred forty-nine billion, one hundred thirty-two million, seven hundred sixty-nine thousand, seven hundred seventy-one".