1340254 has 8 divisors (see below), whose sum is σ = 2075328. Its totient is φ = 648480.

The previous prime is 1340243. The next prime is 1340281. The reversal of 1340254 is 4520431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

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, 10747 + ... + 10870.

It is an arithmetic number, because the mean of its divisors is an integer number (259416).

2^1340254 is an apocalyptic number.

1340254 is a deficient number, since it is larger than the sum of its proper divisors (735074).

1340254 is a wasteful number, since it uses less digits than its factorization.

1340254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21650.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1340254 is about 1157.6933963706. The cubic root of 1340254 is about 110.2543425839.

Adding to 1340254 its reverse (4520431), we get a palindrome (5860685).

It can be divided in two parts, 13402 and 54, that added together give a square (13456 = 116²).

The spelling of 1340254 in words is "one million, three hundred forty thousand, two hundred fifty-four".