1400142 has 8 divisors (see below), whose sum is σ = 2800296. Its totient is φ = 466712.

The previous prime is 1400141. The next prime is 1400143. The reversal of 1400142 is 2410041.

It is an interprime number because it is at equal distance from previous prime (1400141) and next prime (1400143).

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

1400142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116673 + ... + 116684.

It is an arithmetic number, because the mean of its divisors is an integer number (350037).

2^1400142 is an apocalyptic number.

1400142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1400142 is a wasteful number, since it uses less digits than its factorization.

1400142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233362.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1400142 is about 1183.2759610505. The cubic root of 1400142 is about 111.8726763143.

Adding to 1400142 its reverse (2410041), we get a palindrome (3810183).

The spelling of 1400142 in words is "one million, four hundred thousand, one hundred forty-two".