1400166331 has 16 divisors (see below), whose sum is σ = 1500954624. Its totient is φ = 1303043104.

The previous prime is 1400166329. The next prime is 1400166401. The reversal of 1400166331 is 1336610041.

It is a happy number.

It is not a de Polignac number, because 1400166331 - 2¹ = 1400166329 is a prime.

It is a super-2 number, since 2×1400166331² = 3920931508932003122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1400166296 and 1400166305.

It is not an unprimeable number, because it can be changed into a prime (1400166311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183270 + ... + 190756.

It is an arithmetic number, because the mean of its divisors is an integer number (93809664).

Almost surely, 2^1400166331 is an apocalyptic number.

1400166331 is a deficient number, since it is larger than the sum of its proper divisors (100788293).

1400166331 is a wasteful number, since it uses less digits than its factorization.

1400166331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7730.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1400166331 is about 37418.7964932065. The cubic root of 1400166331 is about 1118.7332433390.

Adding to 1400166331 its reverse (1336610041), we get a palindrome (2736776372).

The spelling of 1400166331 in words is "one billion, four hundred million, one hundred sixty-six thousand, three hundred thirty-one".