3420134140 has 48 divisors (see below), whose sum is σ = 7821021600. Its totient is φ = 1251355392.

The previous prime is 3420134131. The next prime is 3420134141. The reversal of 3420134140 is 414310243.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420134141) 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, 144159 + ... + 166198.

It is an arithmetic number, because the mean of its divisors is an integer number (162937950).

Almost surely, 2^3420134140 is an apocalyptic number.

It is an amenable number.

3420134140 is an abundant number, since it is smaller than the sum of its proper divisors (4400887460).

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

3420134140 is a wasteful number, since it uses less digits than its factorization.

3420134140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310414 (or 310412 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 3420134140 is about 58481.9129304095. The cubic root of 3420134140 is about 1506.6569522133.

Adding to 3420134140 its reverse (414310243), we get a palindrome (3834444383).

The spelling of 3420134140 in words is "three billion, four hundred twenty million, one hundred thirty-four thousand, one hundred forty".