147138011 has 4 divisors (see below), whose sum is σ = 151114752. Its totient is φ = 143161272.

The previous prime is 147137999. The next prime is 147138023. The reversal of 147138011 is 110831741.

147138011 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 is an interprime number because it is at equal distance from previous prime (147137999) and next prime (147138023).

It is a cyclic number.

It is not a de Polignac number, because 147138011 - 2¹⁸ = 146875867 is a prime.

It is a super-2 number, since 2×147138011² = 43299188562072242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147138031) 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, 1988315 + ... + 1988388.

It is an arithmetic number, because the mean of its divisors is an integer number (37778688).

Almost surely, 2^147138011 is an apocalyptic number.

147138011 is a deficient number, since it is larger than the sum of its proper divisors (3976741).

147138011 is an equidigital number, since it uses as much as digits as its factorization.

147138011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3976740.

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 147138011 is about 12130.0457954618. The cubic root of 147138011 is about 527.9283206854.

Adding to 147138011 its reverse (110831741), we get a palindrome (257969752).

The spelling of 147138011 in words is "one hundred forty-seven million, one hundred thirty-eight thousand, eleven".