1400042111 has 8 divisors (see below), whose sum is σ = 1508057040. Its totient is φ = 1292072832.

The previous prime is 1400042099. The next prime is 1400042153. The reversal of 1400042111 is 1112400041.

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

It is a cyclic number.

It is not a de Polignac number, because 1400042111 - 2¹⁴ = 1400025727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400044111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78680 + ... + 94818.

It is an arithmetic number, because the mean of its divisors is an integer number (188507130).

Almost surely, 2^1400042111 is an apocalyptic number.

1400042111 is a deficient number, since it is larger than the sum of its proper divisors (108014929).

1400042111 is a wasteful number, since it uses less digits than its factorization.

1400042111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22825.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1400042111 is about 37417.1365954157. The cubic root of 1400042111 is about 1118.7001584237.

Adding to 1400042111 its reverse (1112400041), we get a palindrome (2512442152).

The spelling of 1400042111 in words is "one billion, four hundred million, forty-two thousand, one hundred eleven".