340140325 has 12 divisors (see below), whose sum is σ = 482027680. Its totient is φ = 233238960.

The previous prime is 340140323. The next prime is 340140347. The reversal of 340140325 is 523041043.

It is not a de Polignac number, because 340140325 - 2¹ = 340140323 is a prime.

It is a super-2 number, since 2×340140325² = 231390881382211250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 340140296 and 340140305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340140323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 971655 + ... + 972004.

Almost surely, 2^340140325 is an apocalyptic number.

340140325 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

340140325 is a deficient number, since it is larger than the sum of its proper divisors (141887355).

340140325 is a wasteful number, since it uses less digits than its factorization.

340140325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943676 (or 1943671 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 340140325 is about 18442.8936178681. The cubic root of 340140325 is about 698.0492113699.

Adding to 340140325 its reverse (523041043), we get a palindrome (863181368).

The spelling of 340140325 in words is "three hundred forty million, one hundred forty thousand, three hundred twenty-five".