102634540 has 24 divisors (see below), whose sum is σ = 215776512. Its totient is φ = 41007360.

The previous prime is 102634531. The next prime is 102634541. The reversal of 102634540 is 45436201.

It is not an unprimeable number, because it can be changed into a prime (102634541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19380 + ... + 24100.

It is an arithmetic number, because the mean of its divisors is an integer number (8990688).

Almost surely, 2^102634540 is an apocalyptic number.

102634540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102634540 is an abundant number, since it is smaller than the sum of its proper divisors (113141972).

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

102634540 is a wasteful number, since it uses less digits than its factorization.

102634540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5817 (or 5815 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 102634540 is about 10130.8706437305. The cubic root of 102634540 is about 468.1997527984.

The spelling of 102634540 in words is "one hundred two million, six hundred thirty-four thousand, five hundred forty".