1358157889 has 16 divisors (see below), whose sum is σ = 1563442560. Its totient is φ = 1167717760.

The previous prime is 1358157883. The next prime is 1358157893. The reversal of 1358157889 is 9887518531.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1358157889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1358157883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7642 + ... + 52675.

It is an arithmetic number, because the mean of its divisors is an integer number (97715160).

Almost surely, 2^1358157889 is an apocalyptic number.

It is an amenable number.

1358157889 is a deficient number, since it is larger than the sum of its proper divisors (205284671).

1358157889 is a wasteful number, since it uses less digits than its factorization.

1358157889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60440.

The product of its digits is 2419200, while the sum is 55.

The square root of 1358157889 is about 36853.1937421982. The cubic root of 1358157889 is about 1107.4311966320.

The spelling of 1358157889 in words is "one billion, three hundred fifty-eight million, one hundred fifty-seven thousand, eight hundred eighty-nine".