1406131165402 has 4 divisors (see below), whose sum is σ = 2109196748106. Its totient is φ = 703065582700.

The previous prime is 1406131165399. The next prime is 1406131165423. The reversal of 1406131165402 is 2045611316041.

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

It can be written as a sum of positive squares in only one way, i.e., 1296252837961 + 109878327441 = 1138531^2 + 331479^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 351532791349 + ... + 351532791352.

Almost surely, 2^{1406131165402} is an apocalyptic number.

1406131165402 is a deficient number, since it is larger than the sum of its proper divisors (703065582704).

1406131165402 is an equidigital number, since it uses as much as digits as its factorization.

1406131165402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703065582703.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 1406131165402 in words is "one trillion, four hundred six billion, one hundred thirty-one million, one hundred sixty-five thousand, four hundred two".