149526538387 has 2 divisors, whose sum is σ = 149526538388. Its totient is φ = 149526538386.

The previous prime is 149526538379. The next prime is 149526538429. The reversal of 149526538387 is 783835625941.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149526538387 - 2³ = 149526538379 is a prime.

It is not a weakly prime, because it can be changed into another prime (149526538487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74763269193 + 74763269194.

It is an arithmetic number, because the mean of its divisors is an integer number (74763269194).

Almost surely, 2^149526538387 is an apocalyptic number.

149526538387 is a deficient number, since it is larger than the sum of its proper divisors (1).

149526538387 is an equidigital number, since it uses as much as digits as its factorization.

149526538387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43545600, while the sum is 61.

The spelling of 149526538387 in words is "one hundred forty-nine billion, five hundred twenty-six million, five hundred thirty-eight thousand, three hundred eighty-seven".