1400134040 has 16 divisors (see below), whose sum is σ = 3150301680. Its totient is φ = 560053600.

The previous prime is 1400134031. The next prime is 1400134063. The reversal of 1400134040 is 404310041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17501636 + ... + 17501715.

It is an arithmetic number, because the mean of its divisors is an integer number (196893855).

Almost surely, 2^1400134040 is an apocalyptic number.

1400134040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400134040 is an abundant number, since it is smaller than the sum of its proper divisors (1750167640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1400134040 is a wasteful number, since it uses less digits than its factorization.

1400134040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35003362 (or 35003358 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1400134040 is about 37418.3650097115. The cubic root of 1400134040 is about 1118.7246431006.

Adding to 1400134040 its reverse (404310041), we get a palindrome (1804444081).

The spelling of 1400134040 in words is "one billion, four hundred million, one hundred thirty-four thousand, forty".