148939351 has 4 divisors (see below), whose sum is σ = 162479304. Its totient is φ = 135399400.

The previous prime is 148939313. The next prime is 148939379. The reversal of 148939351 is 153939841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 153939841 = 11 ⋅13994531.

It is a cyclic number.

It is not a de Polignac number, because 148939351 - 2⁷ = 148939223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148939298 and 148939307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148939391) 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, 6769960 + ... + 6769981.

It is an arithmetic number, because the mean of its divisors is an integer number (40619826).

Almost surely, 2^148939351 is an apocalyptic number.

148939351 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

148939351 is a deficient number, since it is larger than the sum of its proper divisors (13539953).

148939351 is a wasteful number, since it uses less digits than its factorization.

148939351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13539952.

The product of its digits is 116640, while the sum is 43.

The square root of 148939351 is about 12204.0710830444. The cubic root of 148939351 is about 530.0739792306.

The spelling of 148939351 in words is "one hundred forty-eight million, nine hundred thirty-nine thousand, three hundred fifty-one".