1400129200 has 30 divisors (see below), whose sum is σ = 3363811364. Its totient is φ = 560051520.

The previous prime is 1400129191. The next prime is 1400129207. The reversal of 1400129200 is 29210041.

It is a super-3 number, since 3×1400129200³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1400129207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1749762 + ... + 1750561.

Almost surely, 2^1400129200 is an apocalyptic number.

1400129200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400129200 is an abundant number, since it is smaller than the sum of its proper divisors (1963682164).

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

1400129200 is a wasteful number, since it uses less digits than its factorization.

1400129200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3500341 (or 3500330 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1400129200 is about 37418.3003355310. The cubic root of 1400129200 is about 1118.7233540255.

Adding to 1400129200 its reverse (29210041), we get a palindrome (1429339241).

The spelling of 1400129200 in words is "one billion, four hundred million, one hundred twenty-nine thousand, two hundred".