2154250134 has 32 divisors (see below), whose sum is σ = 5039184000.
Its totient is φ = 680289192.
The previous prime is 2154250117. The next prime is 2154250139. The reversal of 2154250134 is 4310524512.
Adding to 2154250134 its reverse (4310524512), we get a palindrome (6464774646).
2154250134 is a `hidden beast` number, since 2 + 154 + 2 + 501 + 3 + 4 = 666.
2154250134 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 2154250098 and 2154250107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2154250139) 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, 1048804 + ... + 1050855.
It is an arithmetic number, because the mean of its divisors is an integer number (157474500).
Almost surely, 22154250134 is an apocalyptic number.
2154250134 is an abundant number, since it is smaller than the sum of its proper divisors (2884933866).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2154250134 is a wasteful number, since it uses less digits than its factorization.
2154250134 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2099689 (or 2099683 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 27.
The square root of 2154250134 is about 46413.9002239631.
The cubic root of 2154250134 is about 1291.5127844836.
The spelling of 2154250134 in words is "two billion, one hundred fifty-four million, two hundred fifty thousand, one hundred thirty-four".