3154505140 has 12 divisors (see below), whose sum is σ = 6624460836. Its totient is φ = 1261802048.

The previous prime is 3154505129. The next prime is 3154505141. The reversal of 3154505140 is 415054513.

It can be written as a sum of positive squares in 2 ways, for example, as 2396494116 + 758011024 = 48954^2 + 27532^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3154505099 and 3154505108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3154505141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78862609 + ... + 78862648.

It is an arithmetic number, because the mean of its divisors is an integer number (552038403).

Almost surely, 2^3154505140 is an apocalyptic number.

It is an amenable number.

3154505140 is an abundant number, since it is smaller than the sum of its proper divisors (3469955696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3154505140 is a wasteful number, since it uses less digits than its factorization.

3154505140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157725266 (or 157725264 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 3154505140 is about 56164.9814386153. The cubic root of 3154505140 is about 1466.5957195938.

Adding to 3154505140 its reverse (415054513), we get a palindrome (3569559653).

The spelling of 3154505140 in words is "three billion, one hundred fifty-four million, five hundred five thousand, one hundred forty".