1400002151 has 4 divisors (see below), whose sum is σ = 1400200704. Its totient is φ = 1399803600.

The previous prime is 1400002147. The next prime is 1400002159. The reversal of 1400002151 is 1512000041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1400002151 - 2² = 1400002147 is a prime.

It is a Duffinian number.

1400002151 is a modest number, since divided by 2151 gives 140 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400002159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88295 + ... + 102936.

It is an arithmetic number, because the mean of its divisors is an integer number (350050176).

Almost surely, 2^1400002151 is an apocalyptic number.

1400002151 is a deficient number, since it is larger than the sum of its proper divisors (198553).

1400002151 is an equidigital number, since it uses as much as digits as its factorization.

1400002151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198552.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1400002151 is about 37416.6026116749. The cubic root of 1400002151 is about 1118.6895150097.

Adding to 1400002151 its reverse (1512000041), we get a palindrome (2912002192).

The spelling of 1400002151 in words is "one billion, four hundred million, two thousand, one hundred fifty-one".