137229498025 has 27 divisors (see below), whose sum is σ = 174315093399. Its totient is φ = 107168256720.

The previous prime is 137229498017. The next prime is 137229498037. The reversal of 137229498025 is 520894922731.

It is a happy number.

The square root of 137229498025 is 370445.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 49402619289 + 87826878736 = 222267^2 + 296356^2 .

It is not a de Polignac number, because 137229498025 - 2³ = 137229498017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 79644814 + ... + 79646536.

Almost surely, 2^137229498025 is an apocalyptic number.

137229498025 is the 370445-th square number.

137229498025 is the 185223-rd centered octagonal number.

It is an amenable number.

137229498025 is a deficient number, since it is larger than the sum of its proper divisors (37085595374).

137229498025 is an frugal number, since it uses more digits than its factorization.

137229498025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3542 (or 1771 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 137229498025 in words is "one hundred thirty-seven billion, two hundred twenty-nine million, four hundred ninety-eight thousand, twenty-five".