340154019 has 8 divisors (see below), whose sum is σ = 503931920. Its totient is φ = 226769328.

The previous prime is 340153991. The next prime is 340154027. The reversal of 340154019 is 910451043.

It is not a de Polignac number, because 340154019 - 2⁸ = 340153763 is a prime.

It is a super-2 number, since 2×340154019² = 231409513283704722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 12598297 = 340154019 / (3 + 4 + 0 + 1 + 5 + 4 + 0 + 1 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340153983 and 340154001.

It is not an unprimeable number, because it can be changed into a prime (340154029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6299122 + ... + 6299175.

It is an arithmetic number, because the mean of its divisors is an integer number (62991490).

Almost surely, 2^340154019 is an apocalyptic number.

340154019 is a deficient number, since it is larger than the sum of its proper divisors (163777901).

340154019 is a wasteful number, since it uses less digits than its factorization.

340154019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12598306 (or 12598300 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 340154019 is about 18443.2648682385. The cubic root of 340154019 is about 698.0585790307.

The spelling of 340154019 in words is "three hundred forty million, one hundred fifty-four thousand, nineteen".