305240550134 has 16 divisors (see below), whose sum is σ = 493107032880. Its totient is φ = 140872784160.

The previous prime is 305240550107. The next prime is 305240550137. The reversal of 305240550134 is 431055042503.

It is a happy number.

It is a super-2 number, since 2×305240550134² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 305240550134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305240550137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204689 + ... + 807699.

It is an arithmetic number, because the mean of its divisors is an integer number (30819189555).

Almost surely, 2^305240550134 is an apocalyptic number.

305240550134 is a deficient number, since it is larger than the sum of its proper divisors (187866482746).

305240550134 is a wasteful number, since it uses less digits than its factorization.

305240550134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622495.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 305240550134 its reverse (431055042503), we get a palindrome (736295592637).

The spelling of 305240550134 in words is "three hundred five billion, two hundred forty million, five hundred fifty thousand, one hundred thirty-four".