1400671087 has 8 divisors (see below), whose sum is σ = 1449411840. Its totient is φ = 1351959840.

The previous prime is 1400671079. The next prime is 1400671091. The reversal of 1400671087 is 7801760041.

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 1400671087 - 2³ = 1400671079 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 (1400671007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138162 + ... + 147952.

It is an arithmetic number, because the mean of its divisors is an integer number (181176480).

Almost surely, 2^1400671087 is an apocalyptic number.

1400671087 is a deficient number, since it is larger than the sum of its proper divisors (48740753).

1400671087 is an equidigital number, since it uses as much as digits as its factorization.

1400671087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14753.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 1400671087 is about 37425.5405705783. The cubic root of 1400671087 is about 1118.8676605774.

The spelling of 1400671087 in words is "one billion, four hundred million, six hundred seventy-one thousand, eighty-seven".