149143135639 has 2 divisors, whose sum is σ = 149143135640. Its totient is φ = 149143135638.

The previous prime is 149143135613. The next prime is 149143135649. The reversal of 149143135639 is 936531341941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149143135639 - 2⁷ = 149143135511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149143135592 and 149143135601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149143135649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74571567819 + 74571567820.

It is an arithmetic number, because the mean of its divisors is an integer number (74571567820).

Almost surely, 2^149143135639 is an apocalyptic number.

149143135639 is a deficient number, since it is larger than the sum of its proper divisors (1).

149143135639 is an equidigital number, since it uses as much as digits as its factorization.

149143135639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1049760, while the sum is 49.

The spelling of 149143135639 in words is "one hundred forty-nine billion, one hundred forty-three million, one hundred thirty-five thousand, six hundred thirty-nine".