148207813 has 4 divisors (see below), whose sum is σ = 159608428. Its totient is φ = 136807200.

The previous prime is 148207793. The next prime is 148207831. The reversal of 148207813 is 318702841.

It is a happy number.

148207813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32924644 + 115283169 = 5738^2 + 10737^2 .

It is a cyclic number.

It is not a de Polignac number, because 148207813 - 2⁵ = 148207781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148204813) 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, 5700288 + ... + 5700313.

It is an arithmetic number, because the mean of its divisors is an integer number (39902107).

Almost surely, 2^148207813 is an apocalyptic number.

148207813 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

148207813 is a deficient number, since it is larger than the sum of its proper divisors (11400615).

148207813 is a wasteful number, since it uses less digits than its factorization.

148207813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11400614.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 148207813 is about 12174.0631261711. The cubic root of 148207813 is about 529.2047084919.

The spelling of 148207813 in words is "one hundred forty-eight million, two hundred seven thousand, eight hundred thirteen".