148991368036 has 81 divisors (see below), whose sum is σ = 308074471929. Its totient is φ = 62864526816.

The previous prime is 148991368033. The next prime is 148991368037. The reversal of 148991368036 is 630863199841.

The square root of 148991368036 is 385994.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 109358521636 + 39632846400 = 330694^2 + 199080^2 .

It is not an unprimeable number, because it can be changed into a prime (148991368033) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 426909190 + ... + 426909538.

Almost surely, 2^148991368036 is an apocalyptic number.

148991368036 is the 385994-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148991368036

148991368036 is an abundant number, since it is smaller than the sum of its proper divisors (159083103893).

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

148991368036 is an frugal number, since it uses more digits than its factorization.

148991368036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 58.

The spelling of 148991368036 in words is "one hundred forty-eight billion, nine hundred ninety-one million, three hundred sixty-eight thousand, thirty-six".