1492156889 has 8 divisors (see below), whose sum is σ = 1528203072. Its totient is φ = 1456171920.

The previous prime is 1492156877. The next prime is 1492156903. The reversal of 1492156889 is 9886512941.

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 1492156889 - 2¹² = 1492152793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1492156889.

It is not an unprimeable number, because it can be changed into a prime (1492156789) 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, 36092 + ... + 65474.

It is an arithmetic number, because the mean of its divisors is an integer number (191025384).

Almost surely, 2^1492156889 is an apocalyptic number.

It is an amenable number.

1492156889 is a deficient number, since it is larger than the sum of its proper divisors (36046183).

1492156889 is a wasteful number, since it uses less digits than its factorization.

1492156889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30607.

The product of its digits is 1244160, while the sum is 53.

The square root of 1492156889 is about 38628.4466293948. The cubic root of 1492156889 is about 1142.7156170932.

The spelling of 1492156889 in words is "one billion, four hundred ninety-two million, one hundred fifty-six thousand, eight hundred eighty-nine".