1404049139 has 8 divisors (see below), whose sum is σ = 1427661600. Its totient is φ = 1380456000.

The previous prime is 1404049121. The next prime is 1404049169. The reversal of 1404049139 is 9319404041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1404049139 - 2⁸ = 1404048883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1404049099 and 1404049108.

It is not an unprimeable number, because it can be changed into a prime (1404049169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281114 + ... + 286064.

It is an arithmetic number, because the mean of its divisors is an integer number (178457700).

Almost surely, 2^1404049139 is an apocalyptic number.

1404049139 is a deficient number, since it is larger than the sum of its proper divisors (23612461).

1404049139 is an equidigital number, since it uses as much as digits as its factorization.

1404049139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9661.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 1404049139 is about 37470.6436960990. The cubic root of 1404049139 is about 1119.7664104160.

The spelling of 1404049139 in words is "one billion, four hundred four million, forty-nine thousand, one hundred thirty-nine".