135078550 has 12 divisors (see below), whose sum is σ = 251246196. Its totient is φ = 54031400.

The previous prime is 135078547. The next prime is 135078551. The reversal of 135078550 is 55870531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135078551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1350736 + ... + 1350835.

It is an arithmetic number, because the mean of its divisors is an integer number (20937183).

Almost surely, 2^135078550 is an apocalyptic number.

135078550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135078550 is a deficient number, since it is larger than the sum of its proper divisors (116167646).

135078550 is a wasteful number, since it uses less digits than its factorization.

135078550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2701583 (or 2701578 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 135078550 is about 11622.3298008618. The cubic root of 135078550 is about 513.0922599792.

The spelling of 135078550 in words is "one hundred thirty-five million, seventy-eight thousand, five hundred fifty".