1400214687 has 4 divisors (see below), whose sum is σ = 1866952920. Its totient is φ = 933476456.

The previous prime is 1400214659. The next prime is 1400214701. The reversal of 1400214687 is 7864120041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1400214687 - 2⁶ = 1400214623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400214637) 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, 233369112 + ... + 233369117.

It is an arithmetic number, because the mean of its divisors is an integer number (466738230).

Almost surely, 2^1400214687 is an apocalyptic number.

1400214687 is a deficient number, since it is larger than the sum of its proper divisors (466738233).

1400214687 is an equidigital number, since it uses as much as digits as its factorization.

1400214687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466738232.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 1400214687 is about 37419.4426334760. The cubic root of 1400214687 is about 1118.7461220094.

The spelling of 1400214687 in words is "one billion, four hundred million, two hundred fourteen thousand, six hundred eighty-seven".