102140352 has 280 divisors, whose sum is σ = 342991440. Its totient is φ = 29859840.

The previous prime is 102140347. The next prime is 102140377. The reversal of 102140352 is 253041201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1674402 + ... + 1674462.

Almost surely, 2^102140352 is an apocalyptic number.

102140352 is a gapful number since it is divisible by the number (12) 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 102140352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171495720).

102140352 is an abundant number, since it is smaller than the sum of its proper divisors (240851088).

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

102140352 is a wasteful number, since it uses less digits than its factorization.

102140352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 102140352 is about 10106.4510091327. The cubic root of 102140352 is about 467.4470787608.

Adding to 102140352 its reverse (253041201), we get a palindrome (355181553).

The spelling of 102140352 in words is "one hundred two million, one hundred forty thousand, three hundred fifty-two".