149020841931 has 8 divisors (see below), whose sum is σ = 213978644880. Its totient is φ = 91705133472.

The previous prime is 149020841911. The next prime is 149020841939. The reversal of 149020841931 is 139148020941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 149020841931 - 2⁶ = 149020841867 is a prime.

It is a super-2 number, since 2×149020841931² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149020841939) 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, 1910523576 + ... + 1910523653.

It is an arithmetic number, because the mean of its divisors is an integer number (26747330610).

Almost surely, 2^149020841931 is an apocalyptic number.

149020841931 is a deficient number, since it is larger than the sum of its proper divisors (64957802949).

149020841931 is a wasteful number, since it uses less digits than its factorization.

149020841931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3821047245.

The product of its (nonzero) digits is 62208, while the sum is 42.

The spelling of 149020841931 in words is "one hundred forty-nine billion, twenty million, eight hundred forty-one thousand, nine hundred thirty-one".