102898537540 has 12 divisors (see below), whose sum is σ = 216086928876. Its totient is φ = 41159415008.

The previous prime is 102898537529. The next prime is 102898537549. The reversal of 102898537540 is 45735898201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 65209751044 + 37688786496 = 255362^2 + 194136^2 .

It is not an unprimeable number, because it can be changed into a prime (102898537549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2572463419 + ... + 2572463458.

It is an arithmetic number, because the mean of its divisors is an integer number (18007244073).

Almost surely, 2^102898537540 is an apocalyptic number.

102898537540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102898537540 is an abundant number, since it is smaller than the sum of its proper divisors (113188391336).

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

102898537540 is a wasteful number, since it uses less digits than its factorization.

102898537540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5144926886 (or 5144926884 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 102898537540 in words is "one hundred two billion, eight hundred ninety-eight million, five hundred thirty-seven thousand, five hundred forty".