135422520 has 32 divisors (see below), whose sum is σ = 406267920. Its totient is φ = 36112640.

The previous prime is 135422509. The next prime is 135422531. The reversal of 135422520 is 25224531.

135422520 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (135422509) and next prime (135422531).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 564141 + ... + 564380.

Almost surely, 2^135422520 is an apocalyptic number.

135422520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135422520 is an abundant number, since it is smaller than the sum of its proper divisors (270845400).

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

135422520 is a wasteful number, since it uses less digits than its factorization.

135422520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128535 (or 1128531 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 135422520 is about 11637.1181999669. The cubic root of 135422520 is about 513.5274111075.

The spelling of 135422520 in words is "one hundred thirty-five million, four hundred twenty-two thousand, five hundred twenty".