1400827005 has 24 divisors (see below), whose sum is σ = 2443578072. Its totient is φ = 742345344.

The previous prime is 1400826961. The next prime is 1400827063. The reversal of 1400827005 is 5007280041.

It can be written as a sum of positive squares in 4 ways, for example, as 4235364 + 1396591641 = 2058^2 + 37371^2 .

It is not a de Polignac number, because 1400827005 - 2¹⁶ = 1400761469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1400827005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92074 + ... + 106203.

It is an arithmetic number, because the mean of its divisors is an integer number (101815753).

Almost surely, 2^1400827005 is an apocalyptic number.

1400827005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1400827005 is a deficient number, since it is larger than the sum of its proper divisors (1042751067).

1400827005 is a wasteful number, since it uses less digits than its factorization.

1400827005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198445 (or 198442 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 1400827005 is about 37427.6235553368. The cubic root of 1400827005 is about 1118.9091752334.

The spelling of 1400827005 in words is "one billion, four hundred million, eight hundred twenty-seven thousand, five".