1340625254 has 8 divisors (see below), whose sum is σ = 2025405480. Its totient is φ = 665490096.

The previous prime is 1340625211. The next prime is 1340625289. The reversal of 1340625254 is 4525260431.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1340625254.

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, 2410919 + ... + 2411474.

It is an arithmetic number, because the mean of its divisors is an integer number (253175685).

Almost surely, 2^1340625254 is an apocalyptic number.

1340625254 is a deficient number, since it is larger than the sum of its proper divisors (684780226).

1340625254 is a wasteful number, since it uses less digits than its factorization.

1340625254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4822534.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 1340625254 is about 36614.5497582587. The cubic root of 1340625254 is about 1102.6452189493.

Adding to 1340625254 its reverse (4525260431), we get a palindrome (5865885685).

The spelling of 1340625254 in words is "one billion, three hundred forty million, six hundred twenty-five thousand, two hundred fifty-four".