149368903438 has 8 divisors (see below), whose sum is σ = 225557069400. Its totient is φ = 74183213640.

The previous prime is 149368903433. The next prime is 149368903457. The reversal of 149368903438 is 834309863941.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×149368903438² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149368903433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250618668 + ... + 250619263.

It is an arithmetic number, because the mean of its divisors is an integer number (28194633675).

Almost surely, 2^149368903438 is an apocalyptic number.

149368903438 is a deficient number, since it is larger than the sum of its proper divisors (76188165962).

149368903438 is a wasteful number, since it uses less digits than its factorization.

149368903438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501238082.

The product of its (nonzero) digits is 13436928, while the sum is 58.

The spelling of 149368903438 in words is "one hundred forty-nine billion, three hundred sixty-eight million, nine hundred three thousand, four hundred thirty-eight".