1406229869 has 4 divisors (see below), whose sum is σ = 1534068960. Its totient is φ = 1278390780.

The previous prime is 1406229859. The next prime is 1406229871. The reversal of 1406229869 is 9689226041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1406229869 is a prime.

It is a super-2 number, since 2×1406229869² = 3954964888935514322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406229809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63919529 + ... + 63919550.

It is an arithmetic number, because the mean of its divisors is an integer number (383517240).

Almost surely, 2^1406229869 is an apocalyptic number.

It is an amenable number.

1406229869 is a deficient number, since it is larger than the sum of its proper divisors (127839091).

1406229869 is a wasteful number, since it uses less digits than its factorization.

1406229869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127839090.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 1406229869 is about 37499.7315857061. The cubic root of 1406229869 is about 1120.3458405303.

The spelling of 1406229869 in words is "one billion, four hundred six million, two hundred twenty-nine thousand, eight hundred sixty-nine".