1400169136 has 10 divisors (see below), whose sum is σ = 2712827732. Its totient is φ = 700084560.

The previous prime is 1400169107. The next prime is 1400169167. The reversal of 1400169136 is 6319610041.

It is a junction number, because it is equal to n+sod(n) for n = 1400169098 and 1400169107.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43755270 + ... + 43755301.

Almost surely, 2^1400169136 is an apocalyptic number.

1400169136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1400169136 is a deficient number, since it is larger than the sum of its proper divisors (1312658596).

1400169136 is an equidigital number, since it uses as much as digits as its factorization.

1400169136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87510579 (or 87510573 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 1400169136 is about 37418.8339743504. The cubic root of 1400169136 is about 1118.7339904037.

Adding to 1400169136 its reverse (6319610041), we get a palindrome (7719779177).

The spelling of 1400169136 in words is "one billion, four hundred million, one hundred sixty-nine thousand, one hundred thirty-six".