340297136 has 20 divisors (see below), whose sum is σ = 682062000. Its totient is φ = 164281152.

The previous prime is 340297123. The next prime is 340297147. The reversal of 340297136 is 631792043.

It is a junction number, because it is equal to n+sod(n) for n = 340297096 and 340297105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366236 + ... + 367163.

It is an arithmetic number, because the mean of its divisors is an integer number (34103100).

Almost surely, 2^340297136 is an apocalyptic number.

It is an amenable number.

340297136 is an abundant number, since it is smaller than the sum of its proper divisors (341764864).

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

340297136 is a wasteful number, since it uses less digits than its factorization.

340297136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733436 (or 733430 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 340297136 is about 18447.1443860561. The cubic root of 340297136 is about 698.1564661015.

The spelling of 340297136 in words is "three hundred forty million, two hundred ninety-seven thousand, one hundred thirty-six".