1336157538 has 32 divisors (see below), whose sum is σ = 2790308736. Its totient is φ = 425745408.

The previous prime is 1336157527. The next prime is 1336157633. The reversal of 1336157538 is 8357516331.

It is a self number, because there is not a number n which added to its sum of digits gives 1336157538.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378156 + ... + 381672.

It is an arithmetic number, because the mean of its divisors is an integer number (87197148).

Almost surely, 2^1336157538 is an apocalyptic number.

1336157538 is an abundant number, since it is smaller than the sum of its proper divisors (1454151198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1336157538 is a wasteful number, since it uses less digits than its factorization.

1336157538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6298.

The product of its digits is 226800, while the sum is 42.

The square root of 1336157538 is about 36553.4887254281. The cubic root of 1336157538 is about 1101.4189781257.

The spelling of 1336157538 in words is "one billion, three hundred thirty-six million, one hundred fifty-seven thousand, five hundred thirty-eight".