100205432134 has 4 divisors (see below), whose sum is σ = 150308148204. Its totient is φ = 50102716066.

The previous prime is 100205432101. The next prime is 100205432149. The reversal of 100205432134 is 431234502001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 431234502001 = 421 ⋅1024309981.

It is a super-2 number, since 2×100205432134² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100205432099 and 100205432108.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 25051358032 + ... + 25051358035.

It is an arithmetic number, because the mean of its divisors is an integer number (37577037051).

Almost surely, 2^100205432134 is an apocalyptic number.

100205432134 is a deficient number, since it is larger than the sum of its proper divisors (50102716070).

100205432134 is an equidigital number, since it uses as much as digits as its factorization.

100205432134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50102716069.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 100205432134 its reverse (431234502001), we get a palindrome (531439934135).

The spelling of 100205432134 in words is "one hundred billion, two hundred five million, four hundred thirty-two thousand, one hundred thirty-four".