157273013 has 8 divisors (see below), whose sum is σ = 170891520. Its totient is φ = 144188640.

The previous prime is 157273009. The next prime is 157273019. The reversal of 157273013 is 310372751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157273013 - 2² = 157273009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157273019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132920 + ... + 134097.

It is an arithmetic number, because the mean of its divisors is an integer number (21361440).

Almost surely, 2^157273013 is an apocalyptic number.

It is an amenable number.

157273013 is a deficient number, since it is larger than the sum of its proper divisors (13618507).

157273013 is a wasteful number, since it uses less digits than its factorization.

157273013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267067.

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 157273013 is about 12540.8537588156. The cubic root of 157273013 is about 539.7815909149.

The spelling of 157273013 in words is "one hundred fifty-seven million, two hundred seventy-three thousand, thirteen".