153211938 has 16 divisors (see below), whose sum is σ = 334280736. Its totient is φ = 46427840.

The previous prime is 153211921. The next prime is 153211969. The reversal of 153211938 is 839112351.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 153211899 and 153211908.

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, 1160631 + ... + 1160762.

It is an arithmetic number, because the mean of its divisors is an integer number (20892546).

Almost surely, 2^153211938 is an apocalyptic number.

153211938 is an abundant number, since it is smaller than the sum of its proper divisors (181068798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

153211938 is a wasteful number, since it uses less digits than its factorization.

153211938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321409.

The product of its digits is 6480, while the sum is 33.

The square root of 153211938 is about 12377.8809979738. The cubic root of 153211938 is about 535.0949701844.

The spelling of 153211938 in words is "one hundred fifty-three million, two hundred eleven thousand, nine hundred thirty-eight".