1400254 has 4 divisors (see below), whose sum is σ = 2100384. Its totient is φ = 700126.

The previous prime is 1400251. The next prime is 1400261. The reversal of 1400254 is 4520041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4520041 = 137 ⋅32993.

It is a super-2 number, since 2×1400254² = 3921422529032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350062 + ... + 350065.

It is an arithmetic number, because the mean of its divisors is an integer number (525096).

2^1400254 is an apocalyptic number.

1400254 is a deficient number, since it is larger than the sum of its proper divisors (700130).

1400254 is an equidigital number, since it uses as much as digits as its factorization.

1400254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700129.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 1400254 is about 1183.3232863423. The cubic root of 1400254 is about 111.8756592036.

Adding to 1400254 its reverse (4520041), we get a palindrome (5920295).

The spelling of 1400254 in words is "one million, four hundred thousand, two hundred fifty-four".