1406683745 has 8 divisors (see below), whose sum is σ = 1742472960. Its totient is φ = 1089045360.

The previous prime is 1406683741. The next prime is 1406683757. The reversal of 1406683745 is 5473866041.

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

It is not a de Polignac number, because 1406683745 - 2² = 1406683741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1406683696 and 1406683705.

It is not an unprimeable number, because it can be changed into a prime (1406683741) 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, 4537535 + ... + 4537844.

It is an arithmetic number, because the mean of its divisors is an integer number (217809120).

Almost surely, 2^1406683745 is an apocalyptic number.

It is an amenable number.

1406683745 is a deficient number, since it is larger than the sum of its proper divisors (335789215).

1406683745 is an equidigital number, since it uses as much as digits as its factorization.

1406683745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9075415.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 1406683745 is about 37505.7828207865. The cubic root of 1406683745 is about 1120.4663621704.

The spelling of 1406683745 in words is "one billion, four hundred six million, six hundred eighty-three thousand, seven hundred forty-five".