102535540 has 12 divisors (see below), whose sum is σ = 215324676. Its totient is φ = 41014208.

The previous prime is 102535519. The next prime is 102535553. The reversal of 102535540 is 45535201.

It can be written as a sum of positive squares in 2 ways, for example, as 34175716 + 68359824 = 5846^2 + 8268^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2563369 + ... + 2563408.

It is an arithmetic number, because the mean of its divisors is an integer number (17943723).

Almost surely, 2^102535540 is an apocalyptic number.

102535540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102535540 is an abundant number, since it is smaller than the sum of its proper divisors (112789136).

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

102535540 is a wasteful number, since it uses less digits than its factorization.

102535540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5126786 (or 5126784 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 102535540 is about 10125.9834090324. The cubic root of 102535540 is about 468.0491644846.

The spelling of 102535540 in words is "one hundred two million, five hundred thirty-five thousand, five hundred forty".