1407530989 has 4 divisors (see below), whose sum is σ = 1413420480. Its totient is φ = 1401641500.

The previous prime is 1407530987. The next prime is 1407531029. The reversal of 1407530989 is 9890357041.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9890357041 = 4153 ⋅2381497.

It is a cyclic number.

It is not a de Polignac number, because 1407530989 - 2¹ = 1407530987 is a prime.

It is a super-2 number, since 2×1407530989² = 3962286969990636242, 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 (1407530983) 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, 2944387 + ... + 2944864.

It is an arithmetic number, because the mean of its divisors is an integer number (353355120).

Almost surely, 2^1407530989 is an apocalyptic number.

It is an amenable number.

1407530989 is a deficient number, since it is larger than the sum of its proper divisors (5889491).

1407530989 is an equidigital number, since it uses as much as digits as its factorization.

1407530989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5889490.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 1407530989 is about 37517.0759654854. The cubic root of 1407530989 is about 1120.6912688894.

The spelling of 1407530989 in words is "one billion, four hundred seven million, five hundred thirty thousand, nine hundred eighty-nine".