1390054 has 8 divisors (see below), whose sum is σ = 2090088. Its totient is φ = 693360.

The previous prime is 1390043. The next prime is 1390069. The reversal of 1390054 is 4500931.

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

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, 1194 + ... + 2050.

It is an arithmetic number, because the mean of its divisors is an integer number (261261).

2^1390054 is an apocalyptic number.

1390054 is a deficient number, since it is larger than the sum of its proper divisors (700034).

1390054 is an equidigital number, since it uses as much as digits as its factorization.

1390054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1390054 is about 1179.0055131338. The cubic root of 1390054 is about 111.6033481779.

Adding to 1390054 its reverse (4500931), we get a palindrome (5890985).

The spelling of 1390054 in words is "one million, three hundred ninety thousand, fifty-four".