102141340 has 144 divisors (see below), whose sum is σ = 270369792. Its totient is φ = 31715712.

The previous prime is 102141337. The next prime is 102141371. The reversal of 102141340 is 43141201.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 2173197 + ... + 2173243.

It is an arithmetic number, because the mean of its divisors is an integer number (1877568).

Almost surely, 2^102141340 is an apocalyptic number.

102141340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102141340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135184896).

102141340 is an abundant number, since it is smaller than the sum of its proper divisors (168228452).

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

102141340 is a wasteful number, since it uses less digits than its factorization.

102141340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 102141340 is about 10106.4998886855. The cubic root of 102141340 is about 467.4485859556.

Adding to 102141340 its reverse (43141201), we get a palindrome (145282541).

The spelling of 102141340 in words is "one hundred two million, one hundred forty-one thousand, three hundred forty".