340137140 has 24 divisors (see below), whose sum is σ = 816329472. Its totient is φ = 116618400.

The previous prime is 340137131. The next prime is 340137157. The reversal of 340137140 is 41731043.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1214636 + ... + 1214915.

It is an arithmetic number, because the mean of its divisors is an integer number (34013728).

Almost surely, 2^340137140 is an apocalyptic number.

It is an amenable number.

340137140 is an abundant number, since it is smaller than the sum of its proper divisors (476192332).

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

340137140 is a wasteful number, since it uses less digits than its factorization.

340137140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429567 (or 2429565 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 340137140 is about 18442.8072700443. The cubic root of 340137140 is about 698.0470325694.

Adding to 340137140 its reverse (41731043), we get a palindrome (381868183).

The spelling of 340137140 in words is "three hundred forty million, one hundred thirty-seven thousand, one hundred forty".