1405749002 has 16 divisors (see below), whose sum is σ = 2487593472. Its totient is φ = 583029360.

The previous prime is 1405748977. The next prime is 1405749011. The reversal of 1405749002 is 2009475041.

It is a happy number.

It is a super-3 number, since 3×1405749002³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1405749002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1619093 + ... + 1619960.

It is an arithmetic number, because the mean of its divisors is an integer number (155474592).

Almost surely, 2^1405749002 is an apocalyptic number.

1405749002 is a deficient number, since it is larger than the sum of its proper divisors (1081844470).

1405749002 is a wasteful number, since it uses less digits than its factorization.

1405749002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239093.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1405749002 is about 37493.3194316001. The cubic root of 1405749002 is about 1120.2181234397.

The spelling of 1405749002 in words is "one billion, four hundred five million, seven hundred forty-nine thousand, two".