135622540 has 12 divisors (see below), whose sum is σ = 284807376. Its totient is φ = 54249008.

The previous prime is 135622523. The next prime is 135622573. The reversal of 135622540 is 45226531.

It is a junction number, because it is equal to n+sod(n) for n = 135622499 and 135622508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3390544 + ... + 3390583.

It is an arithmetic number, because the mean of its divisors is an integer number (23733948).

Almost surely, 2^135622540 is an apocalyptic number.

135622540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135622540 is an abundant number, since it is smaller than the sum of its proper divisors (149184836).

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

135622540 is a wasteful number, since it uses less digits than its factorization.

135622540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6781136 (or 6781134 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 135622540 is about 11645.7090810307. The cubic root of 135622540 is about 513.7801145810.

The spelling of 135622540 in words is "one hundred thirty-five million, six hundred twenty-two thousand, five hundred forty".