149378013982 has 16 divisors (see below), whose sum is σ = 228321130752. Its totient is φ = 73271296800.

The previous prime is 149378013959. The next prime is 149378013997. The reversal of 149378013982 is 289310873941.

It is a happy number.

It is a super-2 number, since 2×149378013982² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 893008 + ... + 1047004.

It is an arithmetic number, because the mean of its divisors is an integer number (14270070672).

Almost surely, 2^149378013982 is an apocalyptic number.

149378013982 is a deficient number, since it is larger than the sum of its proper divisors (78943116770).

149378013982 is a wasteful number, since it uses less digits than its factorization.

149378013982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163203.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 149378013982 in words is "one hundred forty-nine billion, three hundred seventy-eight million, thirteen thousand, nine hundred eighty-two".