135671080 has 32 divisors (see below), whose sum is σ = 305729640. Its totient is φ = 54184960.

The previous prime is 135671069. The next prime is 135671083. The reversal of 135671080 is 80176531.

It can be written as a sum of positive squares in 4 ways, for example, as 75794436 + 59876644 = 8706^2 + 7738^2 .

It is not an unprimeable number, because it can be changed into a prime (135671083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28212 + ... + 32668.

Almost surely, 2^135671080 is an apocalyptic number.

135671080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135671080 is an abundant number, since it is smaller than the sum of its proper divisors (170058560).

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

135671080 is a wasteful number, since it uses less digits than its factorization.

135671080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5229 (or 5225 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 135671080 is about 11647.7929239835. The cubic root of 135671080 is about 513.8414021126.

The spelling of 135671080 in words is "one hundred thirty-five million, six hundred seventy-one thousand, eighty".