149405790764 has 24 divisors (see below), whose sum is σ = 270680991168. Its totient is φ = 72111911040.

The previous prime is 149405790727. The next prime is 149405790767. The reversal of 149405790764 is 467097504941.

It is a super-2 number, since 2×149405790764² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149405790767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5429507 + ... + 5456954.

It is an arithmetic number, because the mean of its divisors is an integer number (11278374632).

Almost surely, 2^149405790764 is an apocalyptic number.

It is an amenable number.

149405790764 is a deficient number, since it is larger than the sum of its proper divisors (121275200404).

149405790764 is a wasteful number, since it uses less digits than its factorization.

149405790764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10886585 (or 10886583 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 149405790764 in words is "one hundred forty-nine billion, four hundred five million, seven hundred ninety thousand, seven hundred sixty-four".