1139552502 has 16 divisors (see below), whose sum is σ = 2486296512. Its totient is φ = 345318920.

The previous prime is 1139552501. The next prime is 1139552521. The reversal of 1139552502 is 2052559311.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139552501) 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, 8632908 + ... + 8633039.

It is an arithmetic number, because the mean of its divisors is an integer number (155393532).

Almost surely, 2^1139552502 is an apocalyptic number.

1139552502 is an abundant number, since it is smaller than the sum of its proper divisors (1346744010).

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

1139552502 is a wasteful number, since it uses less digits than its factorization.

1139552502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17265963.

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 1139552502 is about 33757.2585083564. The cubic root of 1139552502 is about 1044.5072200243.

The spelling of 1139552502 in words is "one billion, one hundred thirty-nine million, five hundred fifty-two thousand, five hundred two".