149507938141 has 2 divisors, whose sum is σ = 149507938142. Its totient is φ = 149507938140.

The previous prime is 149507938133. The next prime is 149507938163. The reversal of 149507938141 is 141839705941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106429275225 + 43078662916 = 326235^2 + 207554^2 .

It is a cyclic number.

It is not a de Polignac number, because 149507938141 - 2³ = 149507938133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149507938171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74753969070 + 74753969071.

It is an arithmetic number, because the mean of its divisors is an integer number (74753969071).

Almost surely, 2^149507938141 is an apocalyptic number.

It is an amenable number.

149507938141 is a deficient number, since it is larger than the sum of its proper divisors (1).

149507938141 is an equidigital number, since it uses as much as digits as its factorization.

149507938141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 149507938141 in words is "one hundred forty-nine billion, five hundred seven million, nine hundred thirty-eight thousand, one hundred forty-one".