148386739 has 4 divisors (see below), whose sum is σ = 153173440. Its totient is φ = 143600040.

The previous prime is 148386737. The next prime is 148386743. The reversal of 148386739 is 937683841.

It is a happy number.

148386739 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 a cyclic number.

It is not a de Polignac number, because 148386739 - 2¹ = 148386737 is a prime.

It is a super-2 number, since 2×148386739² = 44037248622108242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148386692 and 148386701.

It is not an unprimeable number, because it can be changed into a prime (148386737) 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, 2393304 + ... + 2393365.

It is an arithmetic number, because the mean of its divisors is an integer number (38293360).

Almost surely, 2^148386739 is an apocalyptic number.

148386739 is a deficient number, since it is larger than the sum of its proper divisors (4786701).

148386739 is an equidigital number, since it uses as much as digits as its factorization.

148386739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4786700.

The product of its digits is 870912, while the sum is 49.

The square root of 148386739 is about 12181.4095653992. The cubic root of 148386739 is about 529.4175861638.

The spelling of 148386739 in words is "one hundred forty-eight million, three hundred eighty-six thousand, seven hundred thirty-nine".