149687771288 has 64 divisors (see below), whose sum is σ = 322392873600. Its totient is φ = 64439124480.

The previous prime is 149687771281. The next prime is 149687771327. The reversal of 149687771288 is 882177786941.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149687771281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6330095 + ... + 6353697.

It is an arithmetic number, because the mean of its divisors is an integer number (5037388650).

Almost surely, 2^149687771288 is an apocalyptic number.

It is an amenable number.

149687771288 is an abundant number, since it is smaller than the sum of its proper divisors (172705102312).

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

149687771288 is a wasteful number, since it uses less digits than its factorization.

149687771288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27432 (or 27428 counting only the distinct ones).

The product of its digits is 75866112, while the sum is 68.

The spelling of 149687771288 in words is "one hundred forty-nine billion, six hundred eighty-seven million, seven hundred seventy-one thousand, two hundred eighty-eight".