149507938142 has 16 divisors (see below), whose sum is σ = 229889362032. Its totient is φ = 72884394240.

The previous prime is 149507938141. The next prime is 149507938163. The reversal of 149507938142 is 241839705941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149507938141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1512659 + ... + 1608462.

It is an arithmetic number, because the mean of its divisors is an integer number (14368085127).

Almost surely, 2^149507938142 is an apocalyptic number.

149507938142 is a deficient number, since it is larger than the sum of its proper divisors (80381423890).

149507938142 is a wasteful number, since it uses less digits than its factorization.

149507938142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3121723.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 149507938142 in words is "one hundred forty-nine billion, five hundred seven million, nine hundred thirty-eight thousand, one hundred forty-two".