1400817097 has 4 divisors (see below), whose sum is σ = 1413668740. Its totient is φ = 1387965456.

The previous prime is 1400817071. The next prime is 1400817113. The reversal of 1400817097 is 7907180041.

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

It can be written as a sum of positive squares in 2 ways, for example, as 367258896 + 1033558201 = 19164^2 + 32149^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400817097 - 2¹⁹ = 1400292809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400817037) 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, 6425658 + ... + 6425875.

It is an arithmetic number, because the mean of its divisors is an integer number (353417185).

Almost surely, 2^1400817097 is an apocalyptic number.

It is an amenable number.

1400817097 is a deficient number, since it is larger than the sum of its proper divisors (12851643).

1400817097 is a wasteful number, since it uses less digits than its factorization.

1400817097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12851642.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 1400817097 is about 37427.4911929720. The cubic root of 1400817097 is about 1118.9065372255.

The spelling of 1400817097 in words is "one billion, four hundred million, eight hundred seventeen thousand, ninety-seven".