1400275609421 has 8 divisors (see below), whose sum is σ = 1511787584664. Its totient is φ = 1289306272320.

The previous prime is 1400275609393. The next prime is 1400275609423. The reversal of 1400275609421 is 1249065720041.

It can be written as a sum of positive squares in 4 ways, for example, as 2312263396 + 1397963346025 = 48086^2 + 1182355^2 .

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 1400275609421 - 2¹⁸ = 1400275347277 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 (1400275609423) 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, 135654170 + ... + 135664491.

It is an arithmetic number, because the mean of its divisors is an integer number (188973448083).

Almost surely, 2^{1400275609421} is an apocalyptic number.

It is an amenable number.

1400275609421 is a deficient number, since it is larger than the sum of its proper divisors (111511975243).

1400275609421 is a wasteful number, since it uses less digits than its factorization.

1400275609421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271319071.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 1400275609421 in words is "one trillion, four hundred billion, two hundred seventy-five million, six hundred nine thousand, four hundred twenty-one".