1408769542 has 4 divisors (see below), whose sum is σ = 2113154316. Its totient is φ = 704384770.

The previous prime is 1408769507. The next prime is 1408769543. The reversal of 1408769542 is 2459678041.

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

It is a junction number, because it is equal to n+sod(n) for n = 1408769492 and 1408769501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1408769543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352192384 + ... + 352192387.

It is an arithmetic number, because the mean of its divisors is an integer number (528288579).

Almost surely, 2^1408769542 is an apocalyptic number.

1408769542 is a deficient number, since it is larger than the sum of its proper divisors (704384774).

1408769542 is an equidigital number, since it uses as much as digits as its factorization.

1408769542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704384773.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 1408769542 is about 37533.5788594693. The cubic root of 1408769542 is about 1121.0198889128.

The spelling of 1408769542 in words is "one billion, four hundred eight million, seven hundred sixty-nine thousand, five hundred forty-two".