149742136323 has 32 divisors (see below), whose sum is σ = 239177736000. Its totient is φ = 92043744768.

The previous prime is 149742136279. The next prime is 149742136361. The reversal of 149742136323 is 323631247941.

149742136323 is a `hidden beast` number, since 1 + 4 + 9 + 7 + 4 + 2 + 1 + 3 + 632 + 3 = 666.

It is not a de Polignac number, because 149742136323 - 2¹⁶ = 149742070787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149742136363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64603 + ... + 551051.

It is an arithmetic number, because the mean of its divisors is an integer number (7474304250).

Almost surely, 2^149742136323 is an apocalyptic number.

149742136323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

149742136323 is a deficient number, since it is larger than the sum of its proper divisors (89435599677).

149742136323 is a wasteful number, since it uses less digits than its factorization.

149742136323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487348 (or 487342 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The spelling of 149742136323 in words is "one hundred forty-nine billion, seven hundred forty-two million, one hundred thirty-six thousand, three hundred twenty-three".