1400133402 has 12 divisors (see below), whose sum is σ = 3033622410. Its totient is φ = 466711128.

The previous prime is 1400133401. The next prime is 1400133403. The reversal of 1400133402 is 2043310041.

It is an interprime number because it is at equal distance from previous prime (1400133401) and next prime (1400133403).

It can be written as a sum of positive squares in only one way, i.e., 1338023241 + 62110161 = 36579^2 + 7881^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 77785189 = 1400133402 / (1 + 4 + 0 + 0 + 1 + 3 + 3 + 4 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (1400133401) 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, 38892577 + ... + 38892612.

Almost surely, 2^1400133402 is an apocalyptic number.

1400133402 is an abundant number, since it is smaller than the sum of its proper divisors (1633489008).

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

1400133402 is a wasteful number, since it uses less digits than its factorization.

1400133402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77785197 (or 77785194 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1400133402 is about 37418.3564844850. The cubic root of 1400133402 is about 1118.7244731772.

Adding to 1400133402 its reverse (2043310041), we get a palindrome (3443443443).

The spelling of 1400133402 in words is "one billion, four hundred million, one hundred thirty-three thousand, four hundred two".