197139235532 has 12 divisors (see below), whose sum is σ = 345016351680. Its totient is φ = 98563135056.

The previous prime is 197139235477. The next prime is 197139235547. The reversal of 197139235532 is 235532931791.

It is a super-2 number, since 2×197139235532² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1551932 + ... + 1674147.

It is an arithmetic number, because the mean of its divisors is an integer number (28751362640).

Almost surely, 2^197139235532 is an apocalyptic number.

It is an amenable number.

197139235532 is a deficient number, since it is larger than the sum of its proper divisors (147877116148).

197139235532 is a wasteful number, since it uses less digits than its factorization.

197139235532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3241360 (or 3241358 counting only the distinct ones).

The product of its digits is 1530900, while the sum is 50.

The spelling of 197139235532 in words is "one hundred ninety-seven billion, one hundred thirty-nine million, two hundred thirty-five thousand, five hundred thirty-two".