340154029 has 2 divisors, whose sum is σ = 340154030. Its totient is φ = 340154028.

The previous prime is 340154027. The next prime is 340154033. The reversal of 340154029 is 920451043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210308004 + 129846025 = 14502^2 + 11395^2 .

It is a cyclic number.

It is not a de Polignac number, because 340154029 - 2¹ = 340154027 is a prime.

Together with 340154027, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 340153988 and 340154006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340154027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170077014 + 170077015.

It is an arithmetic number, because the mean of its divisors is an integer number (170077015).

Almost surely, 2^340154029 is an apocalyptic number.

It is an amenable number.

340154029 is a deficient number, since it is larger than the sum of its proper divisors (1).

340154029 is an equidigital number, since it uses as much as digits as its factorization.

340154029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 340154029 is about 18443.2651393402. The cubic root of 340154029 is about 698.0585858713.

The spelling of 340154029 in words is "three hundred forty million, one hundred fifty-four thousand, twenty-nine".