134887988 has 12 divisors (see below), whose sum is σ = 236890080. Its totient is φ = 67205112.

The previous prime is 134887981. The next prime is 134888003. The reversal of 134887988 is 889788431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134887981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58448 + ... + 60711.

It is an arithmetic number, because the mean of its divisors is an integer number (19740840).

Almost surely, 2^134887988 is an apocalyptic number.

It is an amenable number.

134887988 is a deficient number, since it is larger than the sum of its proper divisors (102002092).

134887988 is a wasteful number, since it uses less digits than its factorization.

134887988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119446 (or 119444 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 56.

The square root of 134887988 is about 11614.1288093425. The cubic root of 134887988 is about 512.8508648739.

The spelling of 134887988 in words is "one hundred thirty-four million, eight hundred eighty-seven thousand, nine hundred eighty-eight".