147374838981 has 12 divisors (see below), whose sum is σ = 214550948352. Its totient is φ = 97476270696.

The previous prime is 147374838979. The next prime is 147374838983. The reversal of 147374838981 is 189838473741.

147374838981 is a `hidden beast` number, since 1 + 4 + 73 + 7 + 483 + 8 + 9 + 81 = 666.

It is an interprime number because it is at equal distance from previous prime (147374838979) and next prime (147374838983).

It is not a de Polignac number, because 147374838981 - 2¹ = 147374838979 is a prime.

It is a super-2 number, since 2×147374838981² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147374838983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64467291 + ... + 64469576.

It is an arithmetic number, because the mean of its divisors is an integer number (17879245696).

Almost surely, 2^147374838981 is an apocalyptic number.

It is an amenable number.

147374838981 is a deficient number, since it is larger than the sum of its proper divisors (67176109371).

147374838981 is a wasteful number, since it uses less digits than its factorization.

147374838981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128937000 (or 128936997 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 63.

The spelling of 147374838981 in words is "one hundred forty-seven billion, three hundred seventy-four million, eight hundred thirty-eight thousand, nine hundred eighty-one".