102140163 has 16 divisors (see below), whose sum is σ = 151493760. Its totient is φ = 68014728.

The previous prime is 102140153. The next prime is 102140173. The reversal of 102140163 is 361041201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102140153) and next prime (102140173).

It is not a de Polignac number, because 102140163 - 2⁴ = 102140147 is a prime.

It is a super-2 number, since 2×102140163² = 20865225795333138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102140123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30456 + ... + 33642.

It is an arithmetic number, because the mean of its divisors is an integer number (9468360).

Almost surely, 2^102140163 is an apocalyptic number.

102140163 is a deficient number, since it is larger than the sum of its proper divisors (49353597).

102140163 is a wasteful number, since it uses less digits than its factorization.

102140163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4383 (or 4377 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 102140163 is about 10106.4416586650. The cubic root of 102140163 is about 467.4467904400.

Adding to 102140163 its reverse (361041201), we get a palindrome (463181364).

The spelling of 102140163 in words is "one hundred two million, one hundred forty thousand, one hundred sixty-three".