102365434 has 4 divisors (see below), whose sum is σ = 153548154. Its totient is φ = 51182716.

The previous prime is 102365383. The next prime is 102365437. The reversal of 102365434 is 434563201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434563201 = 97 ⋅4480033.

It can be written as a sum of positive squares in only one way, i.e., 101949409 + 416025 = 10097^2 + 645^2 .

It is not an unprimeable number, because it can be changed into a prime (102365437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25591357 + ... + 25591360.

Almost surely, 2^102365434 is an apocalyptic number.

102365434 is a deficient number, since it is larger than the sum of its proper divisors (51182720).

102365434 is an equidigital number, since it uses as much as digits as its factorization.

102365434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51182719.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 102365434 is about 10117.5804419832. The cubic root of 102365434 is about 467.7901907329.

It can be divided in two parts, 10 and 2365434, that added together give a square (2365444 = 1538²).

The spelling of 102365434 in words is "one hundred two million, three hundred sixty-five thousand, four hundred thirty-four".